31304630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2253

約数の個数: 48

約数和(自身を含む): 67839120

約数和(自身を除く): 36534490

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1421, 2030, 2203, 2842, 4406, 7105, 11015, 14210, 15421, 22030, 30842, 63887, 77105, 107947, 127774, 154210, 215894, 319435, 447209, 539735, 638870, 894418, 1079470, 2236045, 3130463, 4472090, 6260926, 15652315, 31304630]

約数ペア:

[(1, 31304630), (2, 15652315), (5, 6260926), (7, 4472090), (10, 3130463), (14, 2236045), (29, 1079470), (35, 894418), (49, 638870), (58, 539735), (70, 447209), (98, 319435), (145, 215894), (203, 154210), (245, 127774), (290, 107947), (406, 77105), (490, 63887), (1015, 30842), (1421, 22030), (2030, 15421), (2203, 14210), (2842, 11015), (4406, 7105)]