677180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{691}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 1656648

約数和(自身を除く): 979468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 691, 980, 1382, 2764, 3455, 4837, 6910, 9674, 13820, 19348, 24185, 33859, 48370, 67718, 96740, 135436, 169295, 338590, 677180]

約数ペア:

[(1, 677180), (2, 338590), (4, 169295), (5, 135436), (7, 96740), (10, 67718), (14, 48370), (20, 33859), (28, 24185), (35, 19348), (49, 13820), (70, 9674), (98, 6910), (140, 4837), (196, 3455), (245, 2764), (490, 1382), (691, 980)]