1278156670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2608483}}^1$

素因数の和:2608504

約数の個数: 24

約数和(自身を含む): 2676304584

約数和(自身を除く): 1398147914

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2608483, 5216966, 13042415, 18259381, 26084830, 36518762, 91296905, 127815667, 182593810, 255631334, 639078335, 1278156670]

約数ペア:

[(1, 1278156670), (2, 639078335), (5, 255631334), (7, 182593810), (10, 127815667), (14, 91296905), (35, 36518762), (49, 26084830), (70, 18259381), (98, 13042415), (245, 5216966), (490, 2608483)]