2889980

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 6105120

約数和(自身を除く): 3215140

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 631, 916, 1145, 1262, 2290, 2524, 3155, 4580, 6310, 12620, 144499, 288998, 577996, 722495, 1444990, 2889980]

約数ペア:

[(1, 2889980), (2, 1444990), (4, 722495), (5, 577996), (10, 288998), (20, 144499), (229, 12620), (458, 6310), (631, 4580), (916, 3155), (1145, 2524), (1262, 2290)]