2078551490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1395001}}^1$

素因数の和:1395157

約数の個数: 16

約数和(自身を含む): 3766505400

約数和(自身を除く): 1687953910

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 1395001, 2790002, 6975005, 13950010, 207855149, 415710298, 1039275745, 2078551490]

約数ペア:

[(1, 2078551490), (2, 1039275745), (5, 415710298), (10, 207855149), (149, 13950010), (298, 6975005), (745, 2790002), (1490, 1395001)]