678742390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2340491}}^1$

素因数の和:2340527

約数の個数: 16

約数和(自身を含む): 1263865680

約数和(自身を除く): 585123290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 2340491, 4680982, 11702455, 23404910, 67874239, 135748478, 339371195, 678742390]

約数ペア:

[(1, 678742390), (2, 339371195), (5, 135748478), (10, 67874239), (29, 23404910), (58, 11702455), (145, 4680982), (290, 2340491)]