1338020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 2835000

約数和(自身を除く): 1496980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 449, 596, 745, 898, 1490, 1796, 2245, 2980, 4490, 8980, 66901, 133802, 267604, 334505, 669010, 1338020]

約数ペア:

[(1, 1338020), (2, 669010), (4, 334505), (5, 267604), (10, 133802), (20, 66901), (149, 8980), (298, 4490), (449, 2980), (596, 2245), (745, 1796), (898, 1490)]