1989877600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 5459650560

約数和(自身を除く): 3469772960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 41, 50, 62, 76, 80, 82, 95, 100, 103, 124, 152, 155, 160, 164, 190, 200, 205, 206, 248, 304, 310, 328, 380, 400, 410, 412, 475, 496, 515, 589, 608, 620, 656, 760, 775, 779, 800, 820, 824, 950, 992, 1025, 1030, 1178, 1240, 1271, 1312, 1520, 1550, 1558, 1640, 1648, 1900, 1957, 2050, 2060, 2356, 2480, 2542, 2575, 2945, 3040, 3100, 3116, 3193, 3280, 3296, 3800, 3895, 3914, 4100, 4120, 4223, 4712, 4960, 5084, 5150, 5890, 6200, 6232, 6355, 6386, 6560, 7600, 7790, 7828, 8200, 8240, 8446, 9424, 9785, 10168, 10300, 11780, 12400, 12464, 12710, 12772, 14725, 15200, 15580, 15656, 15965, 16400, 16480, 16892, 18848, 19475, 19570, 20336, 20600, 21115, 23560, 24149, 24800, 24928, 25420, 25544, 29450, 31160, 31312, 31775, 31930, 32800, 33784, 38950, 39140, 40672, 41200, 42230, 47120, 48298, 48925, 50840, 51088, 58900, 60667, 62320, 62624, 63550, 63860, 67568, 77900, 78280, 79825, 80237, 82400, 84460, 94240, 96596, 97850, 101680, 102176, 105575, 117800, 120745, 121334, 124640, 127100, 127720, 130913, 135136, 155800, 156560, 159650, 160474, 168920, 193192, 195700, 203360, 211150, 235600, 241490, 242668, 254200, 255440, 261826, 303335, 311600, 313120, 319300, 320948, 337840, 386384, 391400, 401185, 422300, 471200, 482980, 485336, 508400, 510880, 523652, 603725, 606670, 623200, 638600, 641896, 654565, 675680, 772768, 782800, 802370, 844600, 965960, 970672, 1016800, 1047304, 1207450, 1213340, 1277200, 1283792, 1309130, 1516675, 1565600, 1604740, 1689200, 1931920, 1941344, 2005925, 2094608, 2414900, 2426680, 2487347, 2554400, 2567584, 2618260, 3033350, 3209480, 3272825, 3378400, 3863840, 4011850, 4189216, 4829800, 4853360, 4974694, 5236520, 6066700, 6418960, 6545650, 8023700, 9659600, 9706720, 9949388, 10473040, 12133400, 12436735, 12837920, 13091300, 16047400, 19319200, 19898776, 20946080, 24266800, 24873470, 26182600, 32094800, 39797552, 48533600, 49746940, 52365200, 62183675, 64189600, 79595104, 99493880, 104730400, 124367350, 198987760, 248734700, 397975520, 497469400, 994938800, 1989877600]

約数ペア:

[(1, 1989877600), (2, 994938800), (4, 497469400), (5, 397975520), (8, 248734700), (10, 198987760), (16, 124367350), (19, 104730400), (20, 99493880), (25, 79595104), (31, 64189600), (32, 62183675), (38, 52365200), (40, 49746940), (41, 48533600), (50, 39797552), (62, 32094800), (76, 26182600), (80, 24873470), (82, 24266800), (95, 20946080), (100, 19898776), (103, 19319200), (124, 16047400), (152, 13091300), (155, 12837920), (160, 12436735), (164, 12133400), (190, 10473040), (200, 9949388), (205, 9706720), (206, 9659600), (248, 8023700), (304, 6545650), (310, 6418960), (328, 6066700), (380, 5236520), (400, 4974694), (410, 4853360), (412, 4829800), (475, 4189216), (496, 4011850), (515, 3863840), (589, 3378400), (608, 3272825), (620, 3209480), (656, 3033350), (760, 2618260), (775, 2567584), (779, 2554400), (800, 2487347), (820, 2426680), (824, 2414900), (950, 2094608), (992, 2005925), (1025, 1941344), (1030, 1931920), (1178, 1689200), (1240, 1604740), (1271, 1565600), (1312, 1516675), (1520, 1309130), (1550, 1283792), (1558, 1277200), (1640, 1213340), (1648, 1207450), (1900, 1047304), (1957, 1016800), (2050, 970672), (2060, 965960), (2356, 844600), (2480, 802370), (2542, 782800), (2575, 772768), (2945, 675680), (3040, 654565), (3100, 641896), (3116, 638600), (3193, 623200), (3280, 606670), (3296, 603725), (3800, 523652), (3895, 510880), (3914, 508400), (4100, 485336), (4120, 482980), (4223, 471200), (4712, 422300), (4960, 401185), (5084, 391400), (5150, 386384), (5890, 337840), (6200, 320948), (6232, 319300), (6355, 313120), (6386, 311600), (6560, 303335), (7600, 261826), (7790, 255440), (7828, 254200), (8200, 242668), (8240, 241490), (8446, 235600), (9424, 211150), (9785, 203360), (10168, 195700), (10300, 193192), (11780, 168920), (12400, 160474), (12464, 159650), (12710, 156560), (12772, 155800), (14725, 135136), (15200, 130913), (15580, 127720), (15656, 127100), (15965, 124640), (16400, 121334), (16480, 120745), (16892, 117800), (18848, 105575), (19475, 102176), (19570, 101680), (20336, 97850), (20600, 96596), (21115, 94240), (23560, 84460), (24149, 82400), (24800, 80237), (24928, 79825), (25420, 78280), (25544, 77900), (29450, 67568), (31160, 63860), (31312, 63550), (31775, 62624), (31930, 62320), (32800, 60667), (33784, 58900), (38950, 51088), (39140, 50840), (40672, 48925), (41200, 48298), (42230, 47120)]