640870270

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{10831}}^1$

素因数の和:10996

約数の個数: 32

約数和(自身を含む): 1184674176

約数和(自身を除く): 543803906

約数列:

[1, 2, 5, 10, 61, 97, 122, 194, 305, 485, 610, 970, 5917, 10831, 11834, 21662, 29585, 54155, 59170, 108310, 660691, 1050607, 1321382, 2101214, 3303455, 5253035, 6606910, 10506070, 64087027, 128174054, 320435135, 640870270]

約数ペア:

[(1, 640870270), (2, 320435135), (5, 128174054), (10, 64087027), (61, 10506070), (97, 6606910), (122, 5253035), (194, 3303455), (305, 2101214), (485, 1321382), (610, 1050607), (970, 660691), (5917, 108310), (10831, 59170), (11834, 54155), (21662, 29585)]