201755320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 536155200

約数和(自身を除く): 334399880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 340, 377, 442, 493, 520, 580, 680, 754, 787, 884, 986, 1105, 1160, 1508, 1574, 1768, 1885, 1972, 2210, 2465, 3016, 3148, 3770, 3935, 3944, 4420, 4930, 6296, 6409, 7540, 7870, 8840, 9860, 10231, 12818, 13379, 15080, 15740, 19720, 20462, 22823, 25636, 26758, 31480, 32045, 40924, 45646, 51155, 51272, 53516, 64090, 66895, 81848, 91292, 102310, 107032, 114115, 128180, 133790, 173927, 182584, 204620, 228230, 256360, 267580, 296699, 347854, 387991, 409240, 456460, 535160, 593398, 695708, 775982, 869635, 912920, 1186796, 1391416, 1483495, 1551964, 1739270, 1939955, 2373592, 2966990, 3103928, 3478540, 3879910, 5043883, 5933980, 6957080, 7759820, 10087766, 11867960, 15519640, 20175532, 25219415, 40351064, 50438830, 100877660, 201755320]

約数ペア:

[(1, 201755320), (2, 100877660), (4, 50438830), (5, 40351064), (8, 25219415), (10, 20175532), (13, 15519640), (17, 11867960), (20, 10087766), (26, 7759820), (29, 6957080), (34, 5933980), (40, 5043883), (52, 3879910), (58, 3478540), (65, 3103928), (68, 2966990), (85, 2373592), (104, 1939955), (116, 1739270), (130, 1551964), (136, 1483495), (145, 1391416), (170, 1186796), (221, 912920), (232, 869635), (260, 775982), (290, 695708), (340, 593398), (377, 535160), (442, 456460), (493, 409240), (520, 387991), (580, 347854), (680, 296699), (754, 267580), (787, 256360), (884, 228230), (986, 204620), (1105, 182584), (1160, 173927), (1508, 133790), (1574, 128180), (1768, 114115), (1885, 107032), (1972, 102310), (2210, 91292), (2465, 81848), (3016, 66895), (3148, 64090), (3770, 53516), (3935, 51272), (3944, 51155), (4420, 45646), (4930, 40924), (6296, 32045), (6409, 31480), (7540, 26758), (7870, 25636), (8840, 22823), (9860, 20462), (10231, 19720), (12818, 15740), (13379, 15080)]