29903020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1279}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 72253440

約数和(自身を除く): 42350420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1279, 1670, 2338, 2558, 3340, 4676, 5116, 5845, 6395, 8953, 11690, 12790, 17906, 23380, 25580, 35812, 44765, 89530, 179060, 213593, 427186, 854372, 1067965, 1495151, 2135930, 2990302, 4271860, 5980604, 7475755, 14951510, 29903020]

約数ペア:

[(1, 29903020), (2, 14951510), (4, 7475755), (5, 5980604), (7, 4271860), (10, 2990302), (14, 2135930), (20, 1495151), (28, 1067965), (35, 854372), (70, 427186), (140, 213593), (167, 179060), (334, 89530), (668, 44765), (835, 35812), (1169, 25580), (1279, 23380), (1670, 17906), (2338, 12790), (2558, 11690), (3340, 8953), (4676, 6395), (5116, 5845)]