8680540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 21316176

約数和(自身を除く): 12635636

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 211, 220, 242, 340, 374, 422, 484, 605, 748, 844, 935, 1055, 1210, 1870, 2057, 2110, 2321, 2420, 3587, 3740, 4114, 4220, 4642, 7174, 8228, 9284, 10285, 11605, 14348, 17935, 20570, 23210, 25531, 35870, 39457, 41140, 46420, 51062, 71740, 78914, 102124, 127655, 157828, 197285, 255310, 394570, 434027, 510620, 789140, 868054, 1736108, 2170135, 4340270, 8680540]

約数ペア:

[(1, 8680540), (2, 4340270), (4, 2170135), (5, 1736108), (10, 868054), (11, 789140), (17, 510620), (20, 434027), (22, 394570), (34, 255310), (44, 197285), (55, 157828), (68, 127655), (85, 102124), (110, 78914), (121, 71740), (170, 51062), (187, 46420), (211, 41140), (220, 39457), (242, 35870), (340, 25531), (374, 23210), (422, 20570), (484, 17935), (605, 14348), (748, 11605), (844, 10285), (935, 9284), (1055, 8228), (1210, 7174), (1870, 4642), (2057, 4220), (2110, 4114), (2321, 3740), (2420, 3587)]