12858700

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 28123200

約数和(自身を除く): 15264500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 863, 1490, 1726, 2980, 3452, 3725, 4315, 7450, 8630, 14900, 17260, 21575, 43150, 86300, 128587, 257174, 514348, 642935, 1285870, 2571740, 3214675, 6429350, 12858700]

約数ペア:

[(1, 12858700), (2, 6429350), (4, 3214675), (5, 2571740), (10, 1285870), (20, 642935), (25, 514348), (50, 257174), (100, 128587), (149, 86300), (298, 43150), (596, 21575), (745, 17260), (863, 14900), (1490, 8630), (1726, 7450), (2980, 4315), (3452, 3725)]