28283180

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9491}}^1$

素因数の和:9649

約数の個数: 24

約数和(自身を含む): 59799600

約数和(自身を除く): 31516420

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 9491, 18982, 37964, 47455, 94910, 189820, 1414159, 2828318, 5656636, 7070795, 14141590, 28283180]

約数ペア:

[(1, 28283180), (2, 14141590), (4, 7070795), (5, 5656636), (10, 2828318), (20, 1414159), (149, 189820), (298, 94910), (596, 47455), (745, 37964), (1490, 18982), (2980, 9491)]