495580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1058400

約数和(自身を除く): 562820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 349, 355, 698, 710, 1396, 1420, 1745, 3490, 6980, 24779, 49558, 99116, 123895, 247790, 495580]

約数ペア:

[(1, 495580), (2, 247790), (4, 123895), (5, 99116), (10, 49558), (20, 24779), (71, 6980), (142, 3490), (284, 1745), (349, 1420), (355, 1396), (698, 710)]