73167940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 158558400

約数和(自身を除く): 85390460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 571, 596, 745, 860, 1142, 1490, 2284, 2855, 2980, 5710, 6407, 11420, 12814, 24553, 25628, 32035, 49106, 64070, 85079, 98212, 122765, 128140, 170158, 245530, 340316, 425395, 491060, 850790, 1701580, 3658397, 7316794, 14633588, 18291985, 36583970, 73167940]

約数ペア:

[(1, 73167940), (2, 36583970), (4, 18291985), (5, 14633588), (10, 7316794), (20, 3658397), (43, 1701580), (86, 850790), (149, 491060), (172, 425395), (215, 340316), (298, 245530), (430, 170158), (571, 128140), (596, 122765), (745, 98212), (860, 85079), (1142, 64070), (1490, 49106), (2284, 32035), (2855, 25628), (2980, 24553), (5710, 12814), (6407, 11420)]