1401782020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{844447}}^1$

素因数の和:844539

約数の個数: 24

約数和(自身を含む): 2979212544

約数和(自身を除く): 1577430524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 844447, 1688894, 3377788, 4222235, 8444470, 16888940, 70089101, 140178202, 280356404, 350445505, 700891010, 1401782020]

約数ペア:

[(1, 1401782020), (2, 700891010), (4, 350445505), (5, 280356404), (10, 140178202), (20, 70089101), (83, 16888940), (166, 8444470), (332, 4222235), (415, 3377788), (830, 1688894), (1660, 844447)]