989031980

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{53231}}^1$

素因数の和:54169

約数の個数: 24

約数和(自身を含む): 2079241920

約数和(自身を除く): 1090209940

約数列:

[1, 2, 4, 5, 10, 20, 929, 1858, 3716, 4645, 9290, 18580, 53231, 106462, 212924, 266155, 532310, 1064620, 49451599, 98903198, 197806396, 247257995, 494515990, 989031980]

約数ペア:

[(1, 989031980), (2, 494515990), (4, 247257995), (5, 197806396), (10, 98903198), (20, 49451599), (929, 1064620), (1858, 532310), (3716, 266155), (4645, 212924), (9290, 106462), (18580, 53231)]