207017860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1478699}}^1$

素因数の和:1478715

約数の個数: 24

約数和(自身を含む): 496843200

約数和(自身を除く): 289825340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1478699, 2957398, 5914796, 7393495, 10350893, 14786990, 20701786, 29573980, 41403572, 51754465, 103508930, 207017860]

約数ペア:

[(1, 207017860), (2, 103508930), (4, 51754465), (5, 41403572), (7, 29573980), (10, 20701786), (14, 14786990), (20, 10350893), (28, 7393495), (35, 5914796), (70, 2957398), (140, 1478699)]