2007205420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1597}}^1$

素因数の和:1843

約数の個数: 96

約数和(自身を含む): 4784028480

約数和(自身を除く): 2776823060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 197, 220, 290, 319, 394, 580, 638, 788, 985, 1276, 1595, 1597, 1970, 2167, 3190, 3194, 3940, 4334, 5713, 6380, 6388, 7985, 8668, 10835, 11426, 15970, 17567, 21670, 22852, 28565, 31940, 35134, 43340, 46313, 57130, 62843, 70268, 87835, 92626, 114260, 125686, 175670, 185252, 231565, 251372, 314215, 314609, 351340, 463130, 509443, 628430, 629218, 926260, 1018886, 1256860, 1258436, 1573045, 2037772, 2547215, 3146090, 3460699, 5094430, 6292180, 6921398, 9123661, 10188860, 13842796, 17303495, 18247322, 34606990, 36494644, 45618305, 69213980, 91236610, 100360271, 182473220, 200720542, 401441084, 501801355, 1003602710, 2007205420]

約数ペア:

[(1, 2007205420), (2, 1003602710), (4, 501801355), (5, 401441084), (10, 200720542), (11, 182473220), (20, 100360271), (22, 91236610), (29, 69213980), (44, 45618305), (55, 36494644), (58, 34606990), (110, 18247322), (116, 17303495), (145, 13842796), (197, 10188860), (220, 9123661), (290, 6921398), (319, 6292180), (394, 5094430), (580, 3460699), (638, 3146090), (788, 2547215), (985, 2037772), (1276, 1573045), (1595, 1258436), (1597, 1256860), (1970, 1018886), (2167, 926260), (3190, 629218), (3194, 628430), (3940, 509443), (4334, 463130), (5713, 351340), (6380, 314609), (6388, 314215), (7985, 251372), (8668, 231565), (10835, 185252), (11426, 175670), (15970, 125686), (17567, 114260), (21670, 92626), (22852, 87835), (28565, 70268), (31940, 62843), (35134, 57130), (43340, 46313)]