402833660

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{13997}}^1$

素因数の和:15445

約数の個数: 24

約数和(自身を含む): 846599040

約数和(自身を除く): 443765380

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 5756, 7195, 13997, 14390, 27994, 28780, 55988, 69985, 139970, 279940, 20141683, 40283366, 80566732, 100708415, 201416830, 402833660]

約数ペア:

[(1, 402833660), (2, 201416830), (4, 100708415), (5, 80566732), (10, 40283366), (20, 20141683), (1439, 279940), (2878, 139970), (5756, 69985), (7195, 55988), (13997, 28780), (14390, 27994)]