205128884620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1\times {\mathrm{21851}}^1$

素因数の和:22543

約数の個数: 96

約数和(自身を含む): 477365156352

約数和(自身を除く): 272236271732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 601, 710, 781, 1202, 1420, 1562, 2404, 3005, 3124, 3905, 6010, 6611, 7810, 12020, 13222, 15620, 21851, 26444, 33055, 42671, 43702, 66110, 85342, 87404, 109255, 132220, 170684, 213355, 218510, 240361, 426710, 437020, 469381, 480722, 853420, 938762, 961444, 1201805, 1551421, 1877524, 2346905, 2403610, 3102842, 4693810, 4807220, 6205684, 7757105, 9387620, 13132451, 15514210, 17065631, 26264902, 31028420, 34131262, 52529804, 65662255, 68262524, 85328155, 131324510, 144456961, 170656310, 262649020, 288913922, 341312620, 577827844, 722284805, 932404021, 1444569610, 1864808042, 2889139220, 3729616084, 4662020105, 9324040210, 10256444231, 18648080420, 20512888462, 41025776924, 51282221155, 102564442310, 205128884620]

約数ペア:

[(1, 205128884620), (2, 102564442310), (4, 51282221155), (5, 41025776924), (10, 20512888462), (11, 18648080420), (20, 10256444231), (22, 9324040210), (44, 4662020105), (55, 3729616084), (71, 2889139220), (110, 1864808042), (142, 1444569610), (220, 932404021), (284, 722284805), (355, 577827844), (601, 341312620), (710, 288913922), (781, 262649020), (1202, 170656310), (1420, 144456961), (1562, 131324510), (2404, 85328155), (3005, 68262524), (3124, 65662255), (3905, 52529804), (6010, 34131262), (6611, 31028420), (7810, 26264902), (12020, 17065631), (13222, 15514210), (15620, 13132451), (21851, 9387620), (26444, 7757105), (33055, 6205684), (42671, 4807220), (43702, 4693810), (66110, 3102842), (85342, 2403610), (87404, 2346905), (109255, 1877524), (132220, 1551421), (170684, 1201805), (213355, 961444), (218510, 938762), (240361, 853420), (426710, 480722), (437020, 469381)]