345738140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{142867}}^1$

素因数の和:142898

約数の個数: 36

約数和(自身を含む): 798060648

約数和(自身を除く): 452322508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 142867, 285734, 571468, 714335, 1428670, 1571537, 2857340, 3143074, 6286148, 7857685, 15715370, 17286907, 31430740, 34573814, 69147628, 86434535, 172869070, 345738140]

約数ペア:

[(1, 345738140), (2, 172869070), (4, 86434535), (5, 69147628), (10, 34573814), (11, 31430740), (20, 17286907), (22, 15715370), (44, 7857685), (55, 6286148), (110, 3143074), (121, 2857340), (220, 1571537), (242, 1428670), (484, 714335), (605, 571468), (1210, 285734), (2420, 142867)]