409136980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2922407}}^1$

素因数の和:2922423

約数の個数: 24

約数和(自身を含む): 981929088

約数和(自身を除く): 572792108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2922407, 5844814, 11689628, 14612035, 20456849, 29224070, 40913698, 58448140, 81827396, 102284245, 204568490, 409136980]

約数ペア:

[(1, 409136980), (2, 204568490), (4, 102284245), (5, 81827396), (7, 58448140), (10, 40913698), (14, 29224070), (20, 20456849), (28, 14612035), (35, 11689628), (70, 5844814), (140, 2922407)]