645460

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 1380960

約数和(自身を除く): 735500

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 547, 590, 1094, 1180, 2188, 2735, 5470, 10940, 32273, 64546, 129092, 161365, 322730, 645460]

約数ペア:

[(1, 645460), (2, 322730), (4, 161365), (5, 129092), (10, 64546), (20, 32273), (59, 10940), (118, 5470), (236, 2735), (295, 2188), (547, 1180), (590, 1094)]