28309900

素因数分解:

$2^2\times 5^2\times {\mathrm{283099}}^1$

素因数の和:283113

約数の個数: 18

約数和(自身を含む): 61432700

約数和(自身を除く): 33122800

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283099, 566198, 1132396, 1415495, 2830990, 5661980, 7077475, 14154950, 28309900]

約数ペア:

[(1, 28309900), (2, 14154950), (4, 7077475), (5, 5661980), (10, 2830990), (20, 1415495), (25, 1132396), (50, 566198), (100, 283099)]