2043380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 4354560

約数和(自身を除く): 2311180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1439, 2878, 5756, 7195, 14390, 28780, 102169, 204338, 408676, 510845, 1021690, 2043380]

約数ペア:

[(1, 2043380), (2, 1021690), (4, 510845), (5, 408676), (10, 204338), (20, 102169), (71, 28780), (142, 14390), (284, 7195), (355, 5756), (710, 2878), (1420, 1439)]