561119240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{2129}}^1$

素因数の和:2750

約数の個数: 64

約数和(自身を含む): 1380240000

約数和(自身を除く): 819120760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 599, 1198, 2129, 2396, 2995, 4258, 4792, 5990, 6589, 8516, 10645, 11980, 13178, 17032, 21290, 23419, 23960, 26356, 32945, 42580, 46838, 52712, 65890, 85160, 93676, 117095, 131780, 187352, 234190, 263560, 468380, 936760, 1275271, 2550542, 5101084, 6376355, 10202168, 12752710, 14027981, 25505420, 28055962, 51010840, 56111924, 70139905, 112223848, 140279810, 280559620, 561119240]

約数ペア:

[(1, 561119240), (2, 280559620), (4, 140279810), (5, 112223848), (8, 70139905), (10, 56111924), (11, 51010840), (20, 28055962), (22, 25505420), (40, 14027981), (44, 12752710), (55, 10202168), (88, 6376355), (110, 5101084), (220, 2550542), (440, 1275271), (599, 936760), (1198, 468380), (2129, 263560), (2396, 234190), (2995, 187352), (4258, 131780), (4792, 117095), (5990, 93676), (6589, 85160), (8516, 65890), (10645, 52712), (11980, 46838), (13178, 42580), (17032, 32945), (21290, 26356), (23419, 23960)]