57403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 138208896

約数和(自身を除く): 80805116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 787, 1042, 1574, 2084, 2605, 3148, 3647, 3935, 5210, 5509, 7294, 7870, 10420, 11018, 14588, 15740, 18235, 22036, 27545, 36470, 55090, 72940, 110180, 410027, 820054, 1640108, 2050135, 2870189, 4100270, 5740378, 8200540, 11480756, 14350945, 28701890, 57403780]

約数ペア:

[(1, 57403780), (2, 28701890), (4, 14350945), (5, 11480756), (7, 8200540), (10, 5740378), (14, 4100270), (20, 2870189), (28, 2050135), (35, 1640108), (70, 820054), (140, 410027), (521, 110180), (787, 72940), (1042, 55090), (1574, 36470), (2084, 27545), (2605, 22036), (3148, 18235), (3647, 15740), (3935, 14588), (5210, 11018), (5509, 10420), (7294, 7870)]