754420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 1610784

約数和(自身を除く): 856364

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 563, 670, 1126, 1340, 2252, 2815, 5630, 11260, 37721, 75442, 150884, 188605, 377210, 754420]

約数ペア:

[(1, 754420), (2, 377210), (4, 188605), (5, 150884), (10, 75442), (20, 37721), (67, 11260), (134, 5630), (268, 2815), (335, 2252), (563, 1340), (670, 1126)]