72989140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3499}}^1$

素因数の和:3664

約数の個数: 48

約数和(自身を含む): 176400000

約数和(自身を除く): 103410860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 3499, 4172, 5215, 6998, 10430, 13996, 17495, 20860, 24493, 34990, 48986, 69980, 97972, 122465, 244930, 489860, 521351, 1042702, 2085404, 2606755, 3649457, 5213510, 7298914, 10427020, 14597828, 18247285, 36494570, 72989140]

約数ペア:

[(1, 72989140), (2, 36494570), (4, 18247285), (5, 14597828), (7, 10427020), (10, 7298914), (14, 5213510), (20, 3649457), (28, 2606755), (35, 2085404), (70, 1042702), (140, 521351), (149, 489860), (298, 244930), (596, 122465), (745, 97972), (1043, 69980), (1490, 48986), (2086, 34990), (2980, 24493), (3499, 20860), (4172, 17495), (5215, 13996), (6998, 10430)]