623380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 1330560

約数和(自身を除く): 707180

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 439, 710, 878, 1420, 1756, 2195, 4390, 8780, 31169, 62338, 124676, 155845, 311690, 623380]

約数ペア:

[(1, 623380), (2, 311690), (4, 155845), (5, 124676), (10, 62338), (20, 31169), (71, 8780), (142, 4390), (284, 2195), (355, 1756), (439, 1420), (710, 878)]