9903790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 20684160

約数和(自身を除く): 10780370

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 65, 71, 74, 130, 142, 145, 185, 290, 355, 370, 377, 481, 710, 754, 923, 962, 1073, 1846, 1885, 2059, 2146, 2405, 2627, 3770, 4118, 4615, 4810, 5254, 5365, 9230, 10295, 10730, 13135, 13949, 20590, 26270, 26767, 27898, 34151, 53534, 68302, 69745, 76183, 133835, 139490, 152366, 170755, 267670, 341510, 380915, 761830, 990379, 1980758, 4951895, 9903790]

約数ペア:

[(1, 9903790), (2, 4951895), (5, 1980758), (10, 990379), (13, 761830), (26, 380915), (29, 341510), (37, 267670), (58, 170755), (65, 152366), (71, 139490), (74, 133835), (130, 76183), (142, 69745), (145, 68302), (185, 53534), (290, 34151), (355, 27898), (370, 26767), (377, 26270), (481, 20590), (710, 13949), (754, 13135), (923, 10730), (962, 10295), (1073, 9230), (1846, 5365), (1885, 5254), (2059, 4810), (2146, 4615), (2405, 4118), (2627, 3770)]