421844260

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{53129}}^1$

素因数の和:53535

約数の個数: 24

約数和(自身を含む): 888121080

約数和(自身を除く): 466276820

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 53129, 106258, 212516, 265645, 531290, 1062580, 21092213, 42184426, 84368852, 105461065, 210922130, 421844260]

約数ペア:

[(1, 421844260), (2, 210922130), (4, 105461065), (5, 84368852), (10, 42184426), (20, 21092213), (397, 1062580), (794, 531290), (1588, 265645), (1985, 212516), (3970, 106258), (7940, 53129)]