409840180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{706621}}^1$

素因数の和:706659

約数の個数: 24

約数和(自身を含む): 890343720

約数和(自身を除く): 480503540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 706621, 1413242, 2826484, 3533105, 7066210, 14132420, 20492009, 40984018, 81968036, 102460045, 204920090, 409840180]

約数ペア:

[(1, 409840180), (2, 204920090), (4, 102460045), (5, 81968036), (10, 40984018), (20, 20492009), (29, 14132420), (58, 7066210), (116, 3533105), (145, 2826484), (290, 1413242), (580, 706621)]