221188500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 794976000

約数和(自身を除く): 573787500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 30, 36, 38, 39, 45, 50, 52, 57, 60, 65, 75, 76, 78, 90, 95, 100, 114, 117, 125, 130, 150, 156, 171, 180, 190, 195, 199, 225, 228, 234, 247, 250, 260, 285, 300, 325, 342, 375, 380, 390, 398, 450, 468, 475, 494, 500, 570, 585, 597, 650, 684, 741, 750, 780, 796, 855, 900, 950, 975, 988, 995, 1125, 1140, 1170, 1194, 1235, 1300, 1425, 1482, 1500, 1625, 1710, 1791, 1900, 1950, 1990, 2223, 2250, 2340, 2375, 2388, 2470, 2587, 2850, 2925, 2964, 2985, 3250, 3420, 3582, 3705, 3781, 3900, 3980, 4275, 4446, 4500, 4750, 4875, 4940, 4975, 5174, 5700, 5850, 5970, 6175, 6500, 7125, 7164, 7410, 7562, 7761, 8550, 8892, 8955, 9500, 9750, 9950, 10348, 11115, 11343, 11700, 11940, 12350, 12935, 14250, 14625, 14820, 14925, 15124, 15522, 17100, 17910, 18525, 18905, 19500, 19900, 21375, 22230, 22686, 23283, 24700, 24875, 25870, 28500, 29250, 29850, 30875, 31044, 34029, 35820, 37050, 37810, 38805, 42750, 44460, 44775, 45372, 46566, 49153, 49750, 51740, 55575, 56715, 58500, 59700, 61750, 64675, 68058, 74100, 74625, 75620, 77610, 85500, 89550, 92625, 93132, 94525, 98306, 99500, 111150, 113430, 116415, 123500, 129350, 136116, 147459, 149250, 155220, 170145, 179100, 185250, 189050, 194025, 196612, 222300, 223875, 226860, 232830, 245765, 258700, 277875, 283575, 294918, 298500, 323375, 340290, 370500, 378100, 388050, 442377, 447750, 465660, 472625, 491530, 555750, 567150, 582075, 589836, 646750, 680580, 737295, 776100, 850725, 884754, 895500, 945250, 970125, 983060, 1111500, 1134300, 1164150, 1228825, 1293500, 1417875, 1474590, 1701450, 1769508, 1890500, 1940250, 2211885, 2328300, 2457650, 2835750, 2910375, 2949180, 3402900, 3686475, 3880500, 4253625, 4423770, 4915300, 5671500, 5820750, 6144125, 7372950, 8507250, 8847540, 11059425, 11641500, 12288250, 14745900, 17014500, 18432375, 22118850, 24576500, 36864750, 44237700, 55297125, 73729500, 110594250, 221188500]

約数ペア:

[(1, 221188500), (2, 110594250), (3, 73729500), (4, 55297125), (5, 44237700), (6, 36864750), (9, 24576500), (10, 22118850), (12, 18432375), (13, 17014500), (15, 14745900), (18, 12288250), (19, 11641500), (20, 11059425), (25, 8847540), (26, 8507250), (30, 7372950), (36, 6144125), (38, 5820750), (39, 5671500), (45, 4915300), (50, 4423770), (52, 4253625), (57, 3880500), (60, 3686475), (65, 3402900), (75, 2949180), (76, 2910375), (78, 2835750), (90, 2457650), (95, 2328300), (100, 2211885), (114, 1940250), (117, 1890500), (125, 1769508), (130, 1701450), (150, 1474590), (156, 1417875), (171, 1293500), (180, 1228825), (190, 1164150), (195, 1134300), (199, 1111500), (225, 983060), (228, 970125), (234, 945250), (247, 895500), (250, 884754), (260, 850725), (285, 776100), (300, 737295), (325, 680580), (342, 646750), (375, 589836), (380, 582075), (390, 567150), (398, 555750), (450, 491530), (468, 472625), (475, 465660), (494, 447750), (500, 442377), (570, 388050), (585, 378100), (597, 370500), (650, 340290), (684, 323375), (741, 298500), (750, 294918), (780, 283575), (796, 277875), (855, 258700), (900, 245765), (950, 232830), (975, 226860), (988, 223875), (995, 222300), (1125, 196612), (1140, 194025), (1170, 189050), (1194, 185250), (1235, 179100), (1300, 170145), (1425, 155220), (1482, 149250), (1500, 147459), (1625, 136116), (1710, 129350), (1791, 123500), (1900, 116415), (1950, 113430), (1990, 111150), (2223, 99500), (2250, 98306), (2340, 94525), (2375, 93132), (2388, 92625), (2470, 89550), (2587, 85500), (2850, 77610), (2925, 75620), (2964, 74625), (2985, 74100), (3250, 68058), (3420, 64675), (3582, 61750), (3705, 59700), (3781, 58500), (3900, 56715), (3980, 55575), (4275, 51740), (4446, 49750), (4500, 49153), (4750, 46566), (4875, 45372), (4940, 44775), (4975, 44460), (5174, 42750), (5700, 38805), (5850, 37810), (5970, 37050), (6175, 35820), (6500, 34029), (7125, 31044), (7164, 30875), (7410, 29850), (7562, 29250), (7761, 28500), (8550, 25870), (8892, 24875), (8955, 24700), (9500, 23283), (9750, 22686), (9950, 22230), (10348, 21375), (11115, 19900), (11343, 19500), (11700, 18905), (11940, 18525), (12350, 17910), (12935, 17100), (14250, 15522), (14625, 15124), (14820, 14925)]