31549740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1249}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 88620000

約数和(自身を除く): 57070260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1249, 1263, 1684, 2105, 2498, 2526, 3747, 4210, 4996, 5052, 6245, 6315, 7494, 8420, 12490, 12630, 14988, 18735, 24980, 25260, 37470, 74940, 525829, 1051658, 1577487, 2103316, 2629145, 3154974, 5258290, 6309948, 7887435, 10516580, 15774870, 31549740]

約数ペア:

[(1, 31549740), (2, 15774870), (3, 10516580), (4, 7887435), (5, 6309948), (6, 5258290), (10, 3154974), (12, 2629145), (15, 2103316), (20, 1577487), (30, 1051658), (60, 525829), (421, 74940), (842, 37470), (1249, 25260), (1263, 24980), (1684, 18735), (2105, 14988), (2498, 12630), (2526, 12490), (3747, 8420), (4210, 7494), (4996, 6315), (5052, 6245)]