908023280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 2144862720

約数和(自身を除く): 1236839440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 263, 412, 419, 515, 526, 824, 838, 1030, 1052, 1315, 1648, 1676, 2060, 2095, 2104, 2630, 3352, 4120, 4190, 4208, 5260, 6704, 8240, 8380, 10520, 16760, 21040, 27089, 33520, 43157, 54178, 86314, 108356, 110197, 135445, 172628, 215785, 216712, 220394, 270890, 345256, 431570, 433424, 440788, 541780, 550985, 690512, 863140, 881576, 1083560, 1101970, 1726280, 1763152, 2167120, 2203940, 3452560, 4407880, 8815760, 11350291, 22700582, 45401164, 56751455, 90802328, 113502910, 181604656, 227005820, 454011640, 908023280]

約数ペア:

[(1, 908023280), (2, 454011640), (4, 227005820), (5, 181604656), (8, 113502910), (10, 90802328), (16, 56751455), (20, 45401164), (40, 22700582), (80, 11350291), (103, 8815760), (206, 4407880), (263, 3452560), (412, 2203940), (419, 2167120), (515, 1763152), (526, 1726280), (824, 1101970), (838, 1083560), (1030, 881576), (1052, 863140), (1315, 690512), (1648, 550985), (1676, 541780), (2060, 440788), (2095, 433424), (2104, 431570), (2630, 345256), (3352, 270890), (4120, 220394), (4190, 216712), (4208, 215785), (5260, 172628), (6704, 135445), (8240, 110197), (8380, 108356), (10520, 86314), (16760, 54178), (21040, 43157), (27089, 33520)]