373922840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{217397}}^1$

素因数の和:217451

約数の個数: 32

約数和(自身を含む): 860896080

約数和(自身を除く): 486973240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 217397, 434794, 869588, 1086985, 1739176, 2173970, 4347940, 8695880, 9348071, 18696142, 37392284, 46740355, 74784568, 93480710, 186961420, 373922840]

約数ペア:

[(1, 373922840), (2, 186961420), (4, 93480710), (5, 74784568), (8, 46740355), (10, 37392284), (20, 18696142), (40, 9348071), (43, 8695880), (86, 4347940), (172, 2173970), (215, 1739176), (344, 1086985), (430, 869588), (860, 434794), (1720, 217397)]