2017902740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{351551}}^1$

素因数の和:351608

約数の個数: 48

約数和(自身を含む): 4961101824

約数和(自身を除く): 2943199084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 351551, 703102, 1406204, 1757755, 2460857, 3515510, 4921714, 7031020, 9843428, 12304285, 14413591, 24608570, 28827182, 49217140, 57654364, 72067955, 100895137, 144135910, 201790274, 288271820, 403580548, 504475685, 1008951370, 2017902740]

約数ペア:

[(1, 2017902740), (2, 1008951370), (4, 504475685), (5, 403580548), (7, 288271820), (10, 201790274), (14, 144135910), (20, 100895137), (28, 72067955), (35, 57654364), (41, 49217140), (70, 28827182), (82, 24608570), (140, 14413591), (164, 12304285), (205, 9843428), (287, 7031020), (410, 4921714), (574, 3515510), (820, 2460857), (1148, 1757755), (1435, 1406204), (2870, 703102), (5740, 351551)]