56680820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1613}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 136660608

約数和(自身を除く): 79979788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1613, 1757, 2510, 3226, 3514, 5020, 6452, 7028, 8065, 8785, 11291, 16130, 17570, 22582, 32260, 35140, 45164, 56455, 112910, 225820, 404863, 809726, 1619452, 2024315, 2834041, 4048630, 5668082, 8097260, 11336164, 14170205, 28340410, 56680820]

約数ペア:

[(1, 56680820), (2, 28340410), (4, 14170205), (5, 11336164), (7, 8097260), (10, 5668082), (14, 4048630), (20, 2834041), (28, 2024315), (35, 1619452), (70, 809726), (140, 404863), (251, 225820), (502, 112910), (1004, 56455), (1255, 45164), (1613, 35140), (1757, 32260), (2510, 22582), (3226, 17570), (3514, 16130), (5020, 11291), (6452, 8785), (7028, 8065)]