4008100

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 8788500

約数和(自身を除く): 4780400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 269, 298, 538, 596, 745, 1076, 1345, 1490, 2690, 2980, 3725, 5380, 6725, 7450, 13450, 14900, 26900, 40081, 80162, 160324, 200405, 400810, 801620, 1002025, 2004050, 4008100]

約数ペア:

[(1, 4008100), (2, 2004050), (4, 1002025), (5, 801620), (10, 400810), (20, 200405), (25, 160324), (50, 80162), (100, 40081), (149, 26900), (269, 14900), (298, 13450), (538, 7450), (596, 6725), (745, 5380), (1076, 3725), (1345, 2980), (1490, 2690)]