9879740

素因数分解:

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

素因数の和:151

約数の個数: 72

約数和(自身を含む): 23365440

約数和(自身を除く): 13485700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 79, 130, 148, 158, 169, 185, 260, 316, 338, 370, 395, 481, 676, 740, 790, 845, 962, 1027, 1580, 1690, 1924, 2054, 2405, 2923, 3380, 4108, 4810, 5135, 5846, 6253, 9620, 10270, 11692, 12506, 13351, 14615, 20540, 25012, 26702, 29230, 31265, 37999, 53404, 58460, 62530, 66755, 75998, 125060, 133510, 151996, 189995, 267020, 379990, 493987, 759980, 987974, 1975948, 2469935, 4939870, 9879740]

約数ペア:

[(1, 9879740), (2, 4939870), (4, 2469935), (5, 1975948), (10, 987974), (13, 759980), (20, 493987), (26, 379990), (37, 267020), (52, 189995), (65, 151996), (74, 133510), (79, 125060), (130, 75998), (148, 66755), (158, 62530), (169, 58460), (185, 53404), (260, 37999), (316, 31265), (338, 29230), (370, 26702), (395, 25012), (481, 20540), (676, 14615), (740, 13351), (790, 12506), (845, 11692), (962, 10270), (1027, 9620), (1580, 6253), (1690, 5846), (1924, 5135), (2054, 4810), (2405, 4108), (2923, 3380)]