789140

素因数分解:

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

素因数の和:248

約数の個数: 48

約数和(自身を含む): 1923264

約数和(自身を除く): 1134124

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 211, 220, 340, 374, 422, 748, 844, 935, 1055, 1870, 2110, 2321, 3587, 3740, 4220, 4642, 7174, 9284, 11605, 14348, 17935, 23210, 35870, 39457, 46420, 71740, 78914, 157828, 197285, 394570, 789140]

約数ペア:

[(1, 789140), (2, 394570), (4, 197285), (5, 157828), (10, 78914), (11, 71740), (17, 46420), (20, 39457), (22, 35870), (34, 23210), (44, 17935), (55, 14348), (68, 11605), (85, 9284), (110, 7174), (170, 4642), (187, 4220), (211, 3740), (220, 3587), (340, 2321), (374, 2110), (422, 1870), (748, 1055), (844, 935)]