208358620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2598

約数の個数: 48

約数和(自身を含む): 455868000

約数和(自身を除く): 247509380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2411, 2980, 4321, 4822, 8642, 9644, 12055, 17284, 21605, 24110, 43210, 48220, 69919, 86420, 139838, 279676, 349595, 359239, 699190, 718478, 1398380, 1436956, 1796195, 3592390, 7184780, 10417931, 20835862, 41671724, 52089655, 104179310, 208358620]

約数ペア:

[(1, 208358620), (2, 104179310), (4, 52089655), (5, 41671724), (10, 20835862), (20, 10417931), (29, 7184780), (58, 3592390), (116, 1796195), (145, 1436956), (149, 1398380), (290, 718478), (298, 699190), (580, 359239), (596, 349595), (745, 279676), (1490, 139838), (2411, 86420), (2980, 69919), (4321, 48220), (4822, 43210), (8642, 24110), (9644, 21605), (12055, 17284)]