404172020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{4679}}^1$

素因数の和:5312

約数の個数: 48

約数和(自身を含む): 971792640

約数和(自身を除く): 567620620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617, 1234, 2468, 3085, 4319, 4679, 6170, 8638, 9358, 12340, 17276, 18716, 21595, 23395, 32753, 43190, 46790, 65506, 86380, 93580, 131012, 163765, 327530, 655060, 2886943, 5773886, 11547772, 14434715, 20208601, 28869430, 40417202, 57738860, 80834404, 101043005, 202086010, 404172020]

約数ペア:

[(1, 404172020), (2, 202086010), (4, 101043005), (5, 80834404), (7, 57738860), (10, 40417202), (14, 28869430), (20, 20208601), (28, 14434715), (35, 11547772), (70, 5773886), (140, 2886943), (617, 655060), (1234, 327530), (2468, 163765), (3085, 131012), (4319, 93580), (4679, 86380), (6170, 65506), (8638, 46790), (9358, 43190), (12340, 32753), (17276, 23395), (18716, 21595)]