149119280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18097}}^1$

素因数の和:18213

約数の個数: 40

約数和(自身を含む): 350087712

約数和(自身を除く): 200968432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 18097, 36194, 72388, 90485, 144776, 180970, 289552, 361940, 723880, 1447760, 1863991, 3727982, 7455964, 9319955, 14911928, 18639910, 29823856, 37279820, 74559640, 149119280]

約数ペア:

[(1, 149119280), (2, 74559640), (4, 37279820), (5, 29823856), (8, 18639910), (10, 14911928), (16, 9319955), (20, 7455964), (40, 3727982), (80, 1863991), (103, 1447760), (206, 723880), (412, 361940), (515, 289552), (824, 180970), (1030, 144776), (1648, 90485), (2060, 72388), (4120, 36194), (8240, 18097)]