2645420

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{379}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 5586000

約数和(自身を除く): 2940580

約数列:

[1, 2, 4, 5, 10, 20, 349, 379, 698, 758, 1396, 1516, 1745, 1895, 3490, 3790, 6980, 7580, 132271, 264542, 529084, 661355, 1322710, 2645420]

約数ペア:

[(1, 2645420), (2, 1322710), (4, 661355), (5, 529084), (10, 264542), (20, 132271), (349, 7580), (379, 6980), (698, 3790), (758, 3490), (1396, 1895), (1516, 1745)]