172950680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{617681}}^1$

素因数の和:617699

約数の個数: 32

約数和(自身を含む): 444731040

約数和(自身を除く): 271780360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 617681, 1235362, 2470724, 3088405, 4323767, 4941448, 6176810, 8647534, 12353620, 17295068, 21618835, 24707240, 34590136, 43237670, 86475340, 172950680]

約数ペア:

[(1, 172950680), (2, 86475340), (4, 43237670), (5, 34590136), (7, 24707240), (8, 21618835), (10, 17295068), (14, 12353620), (20, 8647534), (28, 6176810), (35, 4941448), (40, 4323767), (56, 3088405), (70, 2470724), (140, 1235362), (280, 617681)]