214319740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8039}}^1$

素因数の和:8122

約数の個数: 48

約数和(自身を含む): 475453440

約数和(自身を除く): 261133700

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 8039, 13330, 16078, 26660, 32156, 40195, 80390, 160780, 249209, 345677, 498418, 691354, 996836, 1246045, 1382708, 1728385, 2492090, 3456770, 4984180, 6913540, 10715987, 21431974, 42863948, 53579935, 107159870, 214319740]

約数ペア:

[(1, 214319740), (2, 107159870), (4, 53579935), (5, 42863948), (10, 21431974), (20, 10715987), (31, 6913540), (43, 4984180), (62, 3456770), (86, 2492090), (124, 1728385), (155, 1382708), (172, 1246045), (215, 996836), (310, 691354), (430, 498418), (620, 345677), (860, 249209), (1333, 160780), (2666, 80390), (5332, 40195), (6665, 32156), (8039, 26660), (13330, 16078)]