56420980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{36637}}^1$

素因数の和:36664

約数の個数: 48

約数和(自身を含む): 147724416

約数和(自身を除く): 91303436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 36637, 73274, 146548, 183185, 256459, 366370, 403007, 512918, 732740, 806014, 1025836, 1282295, 1612028, 2015035, 2564590, 2821049, 4030070, 5129180, 5642098, 8060140, 11284196, 14105245, 28210490, 56420980]

約数ペア:

[(1, 56420980), (2, 28210490), (4, 14105245), (5, 11284196), (7, 8060140), (10, 5642098), (11, 5129180), (14, 4030070), (20, 2821049), (22, 2564590), (28, 2015035), (35, 1612028), (44, 1282295), (55, 1025836), (70, 806014), (77, 732740), (110, 512918), (140, 403007), (154, 366370), (220, 256459), (308, 183185), (385, 146548), (770, 73274), (1540, 36637)]