480778870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19777}}^1$

素因数の和:19825

約数の個数: 64

約数和(自身を含む): 1076556096

約数和(自身を除く): 595777226

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 12155, 19777, 24310, 39554, 98885, 197770, 217547, 257101, 336209, 435094, 514202, 672418, 1087735, 1285505, 1681045, 2175470, 2571010, 2828111, 3362090, 3698299, 4370717, 5656222, 7396598, 8741434, 14140555, 18491495, 21853585, 28281110, 36982990, 43707170, 48077887, 96155774, 240389435, 480778870]

約数ペア:

[(1, 480778870), (2, 240389435), (5, 96155774), (10, 48077887), (11, 43707170), (13, 36982990), (17, 28281110), (22, 21853585), (26, 18491495), (34, 14140555), (55, 8741434), (65, 7396598), (85, 5656222), (110, 4370717), (130, 3698299), (143, 3362090), (170, 2828111), (187, 2571010), (221, 2175470), (286, 1681045), (374, 1285505), (442, 1087735), (715, 672418), (935, 514202), (1105, 435094), (1430, 336209), (1870, 257101), (2210, 217547), (2431, 197770), (4862, 98885), (12155, 39554), (19777, 24310)]