392140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2801}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 941472

約数和(自身を除く): 549332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2801, 5602, 11204, 14005, 19607, 28010, 39214, 56020, 78428, 98035, 196070, 392140]

約数ペア:

[(1, 392140), (2, 196070), (4, 98035), (5, 78428), (7, 56020), (10, 39214), (14, 28010), (20, 19607), (28, 14005), (35, 11204), (70, 5602), (140, 2801)]