31887940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5297}}^1$

素因数の和:5356

約数の個数: 48

約数和(自身を含む): 78325632

約数和(自身を除く): 46437692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5297, 6020, 10594, 21188, 26485, 37079, 52970, 74158, 105940, 148316, 185395, 227771, 370790, 455542, 741580, 911084, 1138855, 1594397, 2277710, 3188794, 4555420, 6377588, 7971985, 15943970, 31887940]

約数ペア:

[(1, 31887940), (2, 15943970), (4, 7971985), (5, 6377588), (7, 4555420), (10, 3188794), (14, 2277710), (20, 1594397), (28, 1138855), (35, 911084), (43, 741580), (70, 455542), (86, 370790), (140, 227771), (172, 185395), (215, 148316), (301, 105940), (430, 74158), (602, 52970), (860, 37079), (1204, 26485), (1505, 21188), (3010, 10594), (5297, 6020)]