57212260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408659}}^1$

素因数の和:408675

約数の個数: 24

約数和(自身を含む): 137309760

約数和(自身を除く): 80097500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408659, 817318, 1634636, 2043295, 2860613, 4086590, 5721226, 8173180, 11442452, 14303065, 28606130, 57212260]

約数ペア:

[(1, 57212260), (2, 28606130), (4, 14303065), (5, 11442452), (7, 8173180), (10, 5721226), (14, 4086590), (20, 2860613), (28, 2043295), (35, 1634636), (70, 817318), (140, 408659)]