51294740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2459}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 123984000

約数和(自身を除く): 72689260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2459, 2980, 4172, 4918, 5215, 9836, 10430, 12295, 17213, 20860, 24590, 34426, 49180, 68852, 86065, 172130, 344260, 366391, 732782, 1465564, 1831955, 2564737, 3663910, 5129474, 7327820, 10258948, 12823685, 25647370, 51294740]

約数ペア:

[(1, 51294740), (2, 25647370), (4, 12823685), (5, 10258948), (7, 7327820), (10, 5129474), (14, 3663910), (20, 2564737), (28, 1831955), (35, 1465564), (70, 732782), (140, 366391), (149, 344260), (298, 172130), (596, 86065), (745, 68852), (1043, 49180), (1490, 34426), (2086, 24590), (2459, 20860), (2980, 17213), (4172, 12295), (4918, 10430), (5215, 9836)]