636703660

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1846

約数の個数: 48

約数和(自身を含む): 1359912960

約数和(自身を除く): 723209300

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 271, 316, 395, 542, 790, 1084, 1355, 1487, 1580, 2710, 2974, 5420, 5948, 7435, 14870, 21409, 29740, 42818, 85636, 107045, 117473, 214090, 234946, 402977, 428180, 469892, 587365, 805954, 1174730, 1611908, 2014885, 2349460, 4029770, 8059540, 31835183, 63670366, 127340732, 159175915, 318351830, 636703660]

約数ペア:

[(1, 636703660), (2, 318351830), (4, 159175915), (5, 127340732), (10, 63670366), (20, 31835183), (79, 8059540), (158, 4029770), (271, 2349460), (316, 2014885), (395, 1611908), (542, 1174730), (790, 805954), (1084, 587365), (1355, 469892), (1487, 428180), (1580, 402977), (2710, 234946), (2974, 214090), (5420, 117473), (5948, 107045), (7435, 85636), (14870, 42818), (21409, 29740)]