538430980

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{53951}}^1$

素因数の和:54459

約数の個数: 24

約数和(自身を含む): 1132992000

約数和(自身を除く): 594561020

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 53951, 107902, 215804, 269755, 539510, 1079020, 26921549, 53843098, 107686196, 134607745, 269215490, 538430980]

約数ペア:

[(1, 538430980), (2, 269215490), (4, 134607745), (5, 107686196), (10, 53843098), (20, 26921549), (499, 1079020), (998, 539510), (1996, 269755), (2495, 215804), (4990, 107902), (9980, 53951)]