123830540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 268736160

約数和(自身を除く): 144905620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 1321, 2180, 2642, 4687, 5284, 6605, 9374, 13210, 18748, 23435, 26420, 46870, 56803, 93740, 113606, 143989, 227212, 284015, 287978, 568030, 575956, 719945, 1136060, 1439890, 2879780, 6191527, 12383054, 24766108, 30957635, 61915270, 123830540]

約数ペア:

[(1, 123830540), (2, 61915270), (4, 30957635), (5, 24766108), (10, 12383054), (20, 6191527), (43, 2879780), (86, 1439890), (109, 1136060), (172, 719945), (215, 575956), (218, 568030), (430, 287978), (436, 284015), (545, 227212), (860, 143989), (1090, 113606), (1321, 93740), (2180, 56803), (2642, 46870), (4687, 26420), (5284, 23435), (6605, 18748), (9374, 13210)]