28200550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 60397920

約数和(自身を除く): 32197370

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 197, 350, 394, 409, 818, 985, 1379, 1970, 2045, 2758, 2863, 4090, 4925, 5726, 6895, 9850, 10225, 13790, 14315, 20450, 28630, 34475, 68950, 71575, 80573, 143150, 161146, 402865, 564011, 805730, 1128022, 2014325, 2820055, 4028650, 5640110, 14100275, 28200550]

約数ペア:

[(1, 28200550), (2, 14100275), (5, 5640110), (7, 4028650), (10, 2820055), (14, 2014325), (25, 1128022), (35, 805730), (50, 564011), (70, 402865), (175, 161146), (197, 143150), (350, 80573), (394, 71575), (409, 68950), (818, 34475), (985, 28630), (1379, 20450), (1970, 14315), (2045, 13790), (2758, 10225), (2863, 9850), (4090, 6895), (4925, 5726)]