20921995500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1013}}^1$

素因数の和:1330

約数の個数: 288

約数和(自身を含む): 71194189248

約数和(自身を除く): 50272193748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 245, 250, 281, 294, 300, 350, 375, 420, 490, 500, 525, 562, 588, 700, 735, 750, 843, 875, 980, 1013, 1050, 1124, 1225, 1405, 1470, 1500, 1686, 1750, 1967, 2026, 2100, 2450, 2625, 2810, 2940, 3039, 3372, 3500, 3675, 3934, 4052, 4215, 4900, 5065, 5250, 5620, 5901, 6078, 6125, 7025, 7091, 7350, 7868, 8430, 9835, 10130, 10500, 11802, 12156, 12250, 13769, 14050, 14182, 14700, 15195, 16860, 18375, 19670, 20260, 21075, 21273, 23604, 24500, 25325, 27538, 28100, 28364, 29505, 30390, 35125, 35455, 36750, 39340, 41307, 42150, 42546, 49175, 49637, 50650, 55076, 59010, 60780, 68845, 70250, 70910, 73500, 75975, 82614, 84300, 85092, 98350, 99274, 101300, 105375, 106365, 118020, 126625, 137690, 140500, 141820, 147525, 148911, 151950, 165228, 177275, 196700, 198548, 206535, 210750, 212730, 245875, 248185, 253250, 275380, 284653, 295050, 297822, 303900, 344225, 354550, 379875, 413070, 421500, 425460, 491750, 496370, 506500, 531825, 569306, 590100, 595644, 688450, 709100, 737625, 744555, 759750, 826140, 853959, 886375, 983500, 992740, 1032675, 1063650, 1138612, 1240925, 1376900, 1423265, 1475250, 1489110, 1519500, 1707918, 1721125, 1772750, 1992571, 2065350, 2127300, 2481850, 2659125, 2846530, 2950500, 2978220, 3415836, 3442250, 3545500, 3722775, 3985142, 4130700, 4269795, 4963700, 5163375, 5318250, 5693060, 5977713, 6204625, 6884500, 7116325, 7445550, 7970284, 8539590, 9962855, 10326750, 10636500, 11955426, 12409250, 13947997, 14232650, 14891100, 17079180, 18613875, 19925710, 20653500, 21348975, 23910852, 24818500, 27895994, 28465300, 29888565, 35581625, 37227750, 39851420, 41843991, 42697950, 49814275, 55791988, 59777130, 69739985, 71163250, 74455500, 83687982, 85395900, 99628550, 106744875, 119554260, 139479970, 142326500, 149442825, 167375964, 199257100, 209219955, 213489750, 249071375, 278959940, 298885650, 348699925, 418439910, 426979500, 498142750, 597771300, 697399850, 747214125, 836879820, 996285500, 1046099775, 1394799700, 1494428250, 1743499625, 2092199550, 2988856500, 3486999250, 4184399100, 5230498875, 6973998500, 10460997750, 20921995500]

約数ペア:

[(1, 20921995500), (2, 10460997750), (3, 6973998500), (4, 5230498875), (5, 4184399100), (6, 3486999250), (7, 2988856500), (10, 2092199550), (12, 1743499625), (14, 1494428250), (15, 1394799700), (20, 1046099775), (21, 996285500), (25, 836879820), (28, 747214125), (30, 697399850), (35, 597771300), (42, 498142750), (49, 426979500), (50, 418439910), (60, 348699925), (70, 298885650), (75, 278959940), (84, 249071375), (98, 213489750), (100, 209219955), (105, 199257100), (125, 167375964), (140, 149442825), (147, 142326500), (150, 139479970), (175, 119554260), (196, 106744875), (210, 99628550), (245, 85395900), (250, 83687982), (281, 74455500), (294, 71163250), (300, 69739985), (350, 59777130), (375, 55791988), (420, 49814275), (490, 42697950), (500, 41843991), (525, 39851420), (562, 37227750), (588, 35581625), (700, 29888565), (735, 28465300), (750, 27895994), (843, 24818500), (875, 23910852), (980, 21348975), (1013, 20653500), (1050, 19925710), (1124, 18613875), (1225, 17079180), (1405, 14891100), (1470, 14232650), (1500, 13947997), (1686, 12409250), (1750, 11955426), (1967, 10636500), (2026, 10326750), (2100, 9962855), (2450, 8539590), (2625, 7970284), (2810, 7445550), (2940, 7116325), (3039, 6884500), (3372, 6204625), (3500, 5977713), (3675, 5693060), (3934, 5318250), (4052, 5163375), (4215, 4963700), (4900, 4269795), (5065, 4130700), (5250, 3985142), (5620, 3722775), (5901, 3545500), (6078, 3442250), (6125, 3415836), (7025, 2978220), (7091, 2950500), (7350, 2846530), (7868, 2659125), (8430, 2481850), (9835, 2127300), (10130, 2065350), (10500, 1992571), (11802, 1772750), (12156, 1721125), (12250, 1707918), (13769, 1519500), (14050, 1489110), (14182, 1475250), (14700, 1423265), (15195, 1376900), (16860, 1240925), (18375, 1138612), (19670, 1063650), (20260, 1032675), (21075, 992740), (21273, 983500), (23604, 886375), (24500, 853959), (25325, 826140), (27538, 759750), (28100, 744555), (28364, 737625), (29505, 709100), (30390, 688450), (35125, 595644), (35455, 590100), (36750, 569306), (39340, 531825), (41307, 506500), (42150, 496370), (42546, 491750), (49175, 425460), (49637, 421500), (50650, 413070), (55076, 379875), (59010, 354550), (60780, 344225), (68845, 303900), (70250, 297822), (70910, 295050), (73500, 284653), (75975, 275380), (82614, 253250), (84300, 248185), (85092, 245875), (98350, 212730), (99274, 210750), (101300, 206535), (105375, 198548), (106365, 196700), (118020, 177275), (126625, 165228), (137690, 151950), (140500, 148911), (141820, 147525)]