204868180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 490976640

約数和(自身を除く): 286108460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 163, 197, 220, 290, 319, 326, 394, 580, 638, 652, 788, 815, 985, 1276, 1595, 1630, 1793, 1970, 2167, 3190, 3260, 3586, 3940, 4334, 4727, 5713, 6380, 7172, 8668, 8965, 9454, 10835, 11426, 17930, 18908, 21670, 22852, 23635, 28565, 32111, 35860, 43340, 47270, 51997, 57130, 62843, 64222, 94540, 103994, 114260, 125686, 128444, 160555, 207988, 251372, 259985, 314215, 321110, 353221, 519970, 628430, 642220, 706442, 931219, 1039940, 1256860, 1412884, 1766105, 1862438, 3532210, 3724876, 4656095, 7064420, 9312190, 10243409, 18624380, 20486818, 40973636, 51217045, 102434090, 204868180]

約数ペア:

[(1, 204868180), (2, 102434090), (4, 51217045), (5, 40973636), (10, 20486818), (11, 18624380), (20, 10243409), (22, 9312190), (29, 7064420), (44, 4656095), (55, 3724876), (58, 3532210), (110, 1862438), (116, 1766105), (145, 1412884), (163, 1256860), (197, 1039940), (220, 931219), (290, 706442), (319, 642220), (326, 628430), (394, 519970), (580, 353221), (638, 321110), (652, 314215), (788, 259985), (815, 251372), (985, 207988), (1276, 160555), (1595, 128444), (1630, 125686), (1793, 114260), (1970, 103994), (2167, 94540), (3190, 64222), (3260, 62843), (3586, 57130), (3940, 51997), (4334, 47270), (4727, 43340), (5713, 35860), (6380, 32111), (7172, 28565), (8668, 23635), (8965, 22852), (9454, 21670), (10835, 18908), (11426, 17930)]