313675780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{2011}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 719974080

約数和(自身を除く): 406298300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 709, 1418, 2011, 2836, 3545, 4022, 7090, 7799, 8044, 10055, 14180, 15598, 20110, 22121, 31196, 38995, 40220, 44242, 77990, 88484, 110605, 155980, 221210, 442420, 1425799, 2851598, 5703196, 7128995, 14257990, 15683789, 28515980, 31367578, 62735156, 78418945, 156837890, 313675780]

約数ペア:

[(1, 313675780), (2, 156837890), (4, 78418945), (5, 62735156), (10, 31367578), (11, 28515980), (20, 15683789), (22, 14257990), (44, 7128995), (55, 5703196), (110, 2851598), (220, 1425799), (709, 442420), (1418, 221210), (2011, 155980), (2836, 110605), (3545, 88484), (4022, 77990), (7090, 44242), (7799, 40220), (8044, 38995), (10055, 31196), (14180, 22121), (15598, 20110)]