64946980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{463907}}^1$

素因数の和:463923

約数の個数: 24

約数和(自身を含む): 155873088

約数和(自身を除く): 90926108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 463907, 927814, 1855628, 2319535, 3247349, 4639070, 6494698, 9278140, 12989396, 16236745, 32473490, 64946980]

約数ペア:

[(1, 64946980), (2, 32473490), (4, 16236745), (5, 12989396), (7, 9278140), (10, 6494698), (14, 4639070), (20, 3247349), (28, 2319535), (35, 1855628), (70, 927814), (140, 463907)]