2018486180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{4007}}^1$

素因数の和:4388

約数の個数: 48

約数和(自身を含む): 4302668160

約数和(自身を除く): 2284181980

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 283, 356, 445, 566, 890, 1132, 1415, 1780, 2830, 4007, 5660, 8014, 16028, 20035, 25187, 40070, 50374, 80140, 100748, 125935, 251870, 356623, 503740, 713246, 1133981, 1426492, 1783115, 2267962, 3566230, 4535924, 5669905, 7132460, 11339810, 22679620, 100924309, 201848618, 403697236, 504621545, 1009243090, 2018486180]

約数ペア:

[(1, 2018486180), (2, 1009243090), (4, 504621545), (5, 403697236), (10, 201848618), (20, 100924309), (89, 22679620), (178, 11339810), (283, 7132460), (356, 5669905), (445, 4535924), (566, 3566230), (890, 2267962), (1132, 1783115), (1415, 1426492), (1780, 1133981), (2830, 713246), (4007, 503740), (5660, 356623), (8014, 251870), (16028, 125935), (20035, 100748), (25187, 80140), (40070, 50374)]