4486490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:238

約数の個数: 24

約数和(自身を含む): 8283060

約数和(自身を除く): 3796570

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 5041, 6319, 10082, 12638, 25205, 31595, 50410, 63190, 448649, 897298, 2243245, 4486490]

約数ペア:

[(1, 4486490), (2, 2243245), (5, 897298), (10, 448649), (71, 63190), (89, 50410), (142, 31595), (178, 25205), (355, 12638), (445, 10082), (710, 6319), (890, 5041)]