878342800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{21319}}^1$

素因数の和:21440

約数の個数: 60

約数和(自身を含む): 2130806080

約数和(自身を除く): 1252463280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 4120, 5150, 8240, 10300, 20600, 21319, 41200, 42638, 85276, 106595, 170552, 213190, 341104, 426380, 532975, 852760, 1065950, 1705520, 2131900, 2195857, 4263800, 4391714, 8527600, 8783428, 10979285, 17566856, 21958570, 35133712, 43917140, 54896425, 87834280, 109792850, 175668560, 219585700, 439171400, 878342800]

約数ペア:

[(1, 878342800), (2, 439171400), (4, 219585700), (5, 175668560), (8, 109792850), (10, 87834280), (16, 54896425), (20, 43917140), (25, 35133712), (40, 21958570), (50, 17566856), (80, 10979285), (100, 8783428), (103, 8527600), (200, 4391714), (206, 4263800), (400, 2195857), (412, 2131900), (515, 1705520), (824, 1065950), (1030, 852760), (1648, 532975), (2060, 426380), (2575, 341104), (4120, 213190), (5150, 170552), (8240, 106595), (10300, 85276), (20600, 42638), (21319, 41200)]