1021690

素因数分解:

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

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 1866240

約数和(自身を除く): 844550

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1439, 2878, 7195, 14390, 102169, 204338, 510845, 1021690]

約数ペア:

[(1, 1021690), (2, 510845), (5, 204338), (10, 102169), (71, 14390), (142, 7195), (355, 2878), (710, 1439)]