4939870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 10013760

約数和(自身を除く): 5073890

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 130, 158, 169, 185, 338, 370, 395, 481, 790, 845, 962, 1027, 1690, 2054, 2405, 2923, 4810, 5135, 5846, 6253, 10270, 12506, 13351, 14615, 26702, 29230, 31265, 37999, 62530, 66755, 75998, 133510, 189995, 379990, 493987, 987974, 2469935, 4939870]

約数ペア:

[(1, 4939870), (2, 2469935), (5, 987974), (10, 493987), (13, 379990), (26, 189995), (37, 133510), (65, 75998), (74, 66755), (79, 62530), (130, 37999), (158, 31265), (169, 29230), (185, 26702), (338, 14615), (370, 13351), (395, 12506), (481, 10270), (790, 6253), (845, 5846), (962, 5135), (1027, 4810), (1690, 2923), (2054, 2405)]