31008740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3631}}^1$

素因数の和:3708

約数の個数: 48

約数和(自身を含む): 75661824

約数和(自身を除く): 44653084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3631, 4270, 7262, 8540, 14524, 18155, 25417, 36310, 50834, 72620, 101668, 127085, 221491, 254170, 442982, 508340, 885964, 1107455, 1550437, 2214910, 3100874, 4429820, 6201748, 7752185, 15504370, 31008740]

約数ペア:

[(1, 31008740), (2, 15504370), (4, 7752185), (5, 6201748), (7, 4429820), (10, 3100874), (14, 2214910), (20, 1550437), (28, 1107455), (35, 885964), (61, 508340), (70, 442982), (122, 254170), (140, 221491), (244, 127085), (305, 101668), (427, 72620), (610, 50834), (854, 36310), (1220, 25417), (1708, 18155), (2135, 14524), (3631, 8540), (4270, 7262)]