203902020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3947}}^1$

素因数の和:4010

約数の個数: 144

約数和(自身を含む): 724284288

約数和(自身を除く): 520382268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 3947, 4305, 5166, 5740, 7380, 7894, 8610, 10332, 11841, 12915, 15788, 17220, 19735, 23682, 25830, 27629, 35523, 39470, 47364, 51660, 55258, 59205, 71046, 78940, 82887, 110516, 118410, 138145, 142092, 161827, 165774, 177615, 236820, 248661, 276290, 323654, 331548, 355230, 414435, 485481, 497322, 552580, 647308, 710460, 809135, 828870, 970962, 994644, 1132789, 1243305, 1456443, 1618270, 1657740, 1941924, 2265578, 2427405, 2486610, 2912886, 3236540, 3398367, 4531156, 4854810, 4973220, 5663945, 5825772, 6796734, 7282215, 9709620, 10195101, 11327890, 13593468, 14564430, 16991835, 20390202, 22655780, 29128860, 33983670, 40780404, 50975505, 67967340, 101951010, 203902020]

約数ペア:

[(1, 203902020), (2, 101951010), (3, 67967340), (4, 50975505), (5, 40780404), (6, 33983670), (7, 29128860), (9, 22655780), (10, 20390202), (12, 16991835), (14, 14564430), (15, 13593468), (18, 11327890), (20, 10195101), (21, 9709620), (28, 7282215), (30, 6796734), (35, 5825772), (36, 5663945), (41, 4973220), (42, 4854810), (45, 4531156), (60, 3398367), (63, 3236540), (70, 2912886), (82, 2486610), (84, 2427405), (90, 2265578), (105, 1941924), (123, 1657740), (126, 1618270), (140, 1456443), (164, 1243305), (180, 1132789), (205, 994644), (210, 970962), (246, 828870), (252, 809135), (287, 710460), (315, 647308), (369, 552580), (410, 497322), (420, 485481), (492, 414435), (574, 355230), (615, 331548), (630, 323654), (738, 276290), (820, 248661), (861, 236820), (1148, 177615), (1230, 165774), (1260, 161827), (1435, 142092), (1476, 138145), (1722, 118410), (1845, 110516), (2460, 82887), (2583, 78940), (2870, 71046), (3444, 59205), (3690, 55258), (3947, 51660), (4305, 47364), (5166, 39470), (5740, 35523), (7380, 27629), (7894, 25830), (8610, 23682), (10332, 19735), (11841, 17220), (12915, 15788)]