490857790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{691349}}^1$

素因数の和:691427

約数の個数: 16

約数和(自身を含む): 895989600

約数和(自身を除く): 405131810

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 691349, 1382698, 3456745, 6913490, 49085779, 98171558, 245428895, 490857790]

約数ペア:

[(1, 490857790), (2, 245428895), (5, 98171558), (10, 49085779), (71, 6913490), (142, 3456745), (355, 1382698), (710, 691349)]