31809470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 40420930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 109, 110, 154, 218, 379, 385, 545, 758, 763, 770, 1090, 1199, 1526, 1895, 2398, 2653, 3790, 3815, 4169, 5306, 5995, 7630, 8338, 8393, 11990, 13265, 16786, 20845, 26530, 29183, 41311, 41690, 41965, 58366, 82622, 83930, 145915, 206555, 289177, 291830, 413110, 454421, 578354, 908842, 1445885, 2272105, 2891770, 3180947, 4544210, 6361894, 15904735, 31809470]

約数ペア:

[(1, 31809470), (2, 15904735), (5, 6361894), (7, 4544210), (10, 3180947), (11, 2891770), (14, 2272105), (22, 1445885), (35, 908842), (55, 578354), (70, 454421), (77, 413110), (109, 291830), (110, 289177), (154, 206555), (218, 145915), (379, 83930), (385, 82622), (545, 58366), (758, 41965), (763, 41690), (770, 41311), (1090, 29183), (1199, 26530), (1526, 20845), (1895, 16786), (2398, 13265), (2653, 11990), (3790, 8393), (3815, 8338), (4169, 7630), (5306, 5995)]