1387288540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6305857}}^1$

素因数の和:6305877

約数の個数: 24

約数和(自身を含む): 3178152432

約数和(自身を除く): 1790863892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6305857, 12611714, 25223428, 31529285, 63058570, 69364427, 126117140, 138728854, 277457708, 346822135, 693644270, 1387288540]

約数ペア:

[(1, 1387288540), (2, 693644270), (4, 346822135), (5, 277457708), (10, 138728854), (11, 126117140), (20, 69364427), (22, 63058570), (44, 31529285), (55, 25223428), (110, 12611714), (220, 6305857)]