278317870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{3469}}^1$

素因数の和:3660

約数の個数: 32

約数和(自身を含む): 512671680

約数和(自身を除く): 234353810

約数列:

[1, 2, 5, 10, 71, 113, 142, 226, 355, 565, 710, 1130, 3469, 6938, 8023, 16046, 17345, 34690, 40115, 80230, 246299, 391997, 492598, 783994, 1231495, 1959985, 2462990, 3919970, 27831787, 55663574, 139158935, 278317870]

約数ペア:

[(1, 278317870), (2, 139158935), (5, 55663574), (10, 27831787), (71, 3919970), (113, 2462990), (142, 1959985), (226, 1231495), (355, 783994), (565, 492598), (710, 391997), (1130, 246299), (3469, 80230), (6938, 40115), (8023, 34690), (16046, 17345)]