30204650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 64668480

約数和(自身を除く): 34463830

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 211, 350, 409, 422, 818, 1055, 1477, 2045, 2110, 2863, 2954, 4090, 5275, 5726, 7385, 10225, 10550, 14315, 14770, 20450, 28630, 36925, 71575, 73850, 86299, 143150, 172598, 431495, 604093, 862990, 1208186, 2157475, 3020465, 4314950, 6040930, 15102325, 30204650]

約数ペア:

[(1, 30204650), (2, 15102325), (5, 6040930), (7, 4314950), (10, 3020465), (14, 2157475), (25, 1208186), (35, 862990), (50, 604093), (70, 431495), (175, 172598), (211, 143150), (350, 86299), (409, 73850), (422, 71575), (818, 36925), (1055, 28630), (1477, 20450), (2045, 14770), (2110, 14315), (2863, 10550), (2954, 10225), (4090, 7385), (5275, 5726)]