724993780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{72937}}^1$

素因数の和:73024

約数の個数: 48

約数和(自身を含む): 1764516096

約数和(自身を除く): 1039522316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 72937, 145874, 291748, 364685, 510559, 729370, 1021118, 1458740, 2042236, 2552795, 5105590, 5178527, 10211180, 10357054, 20714108, 25892635, 36249689, 51785270, 72499378, 103570540, 144998756, 181248445, 362496890, 724993780]

約数ペア:

[(1, 724993780), (2, 362496890), (4, 181248445), (5, 144998756), (7, 103570540), (10, 72499378), (14, 51785270), (20, 36249689), (28, 25892635), (35, 20714108), (70, 10357054), (71, 10211180), (140, 5178527), (142, 5105590), (284, 2552795), (355, 2042236), (497, 1458740), (710, 1021118), (994, 729370), (1420, 510559), (1988, 364685), (2485, 291748), (4970, 145874), (9940, 72937)]