64700860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462149}}^1$

素因数の和:462165

約数の個数: 24

約数和(自身を含む): 155282400

約数和(自身を除く): 90581540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462149, 924298, 1848596, 2310745, 3235043, 4621490, 6470086, 9242980, 12940172, 16175215, 32350430, 64700860]

約数ペア:

[(1, 64700860), (2, 32350430), (4, 16175215), (5, 12940172), (7, 9242980), (10, 6470086), (14, 4621490), (20, 3235043), (28, 2310745), (35, 1848596), (70, 924298), (140, 462149)]