315059620

素因数分解:

$2^2\times 5^1\times {\mathrm{3209}}^1\times {\mathrm{4909}}^1$

素因数の和:8127

約数の個数: 24

約数和(自身を含む): 661966200

約数和(自身を除く): 346906580

約数列:

[1, 2, 4, 5, 10, 20, 3209, 4909, 6418, 9818, 12836, 16045, 19636, 24545, 32090, 49090, 64180, 98180, 15752981, 31505962, 63011924, 78764905, 157529810, 315059620]

約数ペア:

[(1, 315059620), (2, 157529810), (4, 78764905), (5, 63011924), (10, 31505962), (20, 15752981), (3209, 98180), (4909, 64180), (6418, 49090), (9818, 32090), (12836, 24545), (16045, 19636)]