857290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 1816704

約数和(自身を除く): 959414

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 331, 370, 518, 662, 1295, 1655, 2317, 2590, 3310, 4634, 11585, 12247, 23170, 24494, 61235, 85729, 122470, 171458, 428645, 857290]

約数ペア:

[(1, 857290), (2, 428645), (5, 171458), (7, 122470), (10, 85729), (14, 61235), (35, 24494), (37, 23170), (70, 12247), (74, 11585), (185, 4634), (259, 3310), (331, 2590), (370, 2317), (518, 1655), (662, 1295)]