12478850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 25130088

約数和(自身を除く): 12651238

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 277, 425, 530, 554, 850, 901, 1325, 1385, 1802, 2650, 2770, 4505, 4709, 6925, 9010, 9418, 13850, 14681, 22525, 23545, 29362, 45050, 47090, 73405, 117725, 146810, 235450, 249577, 367025, 499154, 734050, 1247885, 2495770, 6239425, 12478850]

約数ペア:

[(1, 12478850), (2, 6239425), (5, 2495770), (10, 1247885), (17, 734050), (25, 499154), (34, 367025), (50, 249577), (53, 235450), (85, 146810), (106, 117725), (170, 73405), (265, 47090), (277, 45050), (425, 29362), (530, 23545), (554, 22525), (850, 14681), (901, 13850), (1325, 9418), (1385, 9010), (1802, 6925), (2650, 4709), (2770, 4505)]