388617180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{925279}}^1$

素因数の和:925298

約数の個数: 48

約数和(自身を含む): 1243576320

約数和(自身を除く): 854959140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 925279, 1850558, 2775837, 3701116, 4626395, 5551674, 6476953, 9252790, 11103348, 12953906, 13879185, 18505580, 19430859, 25907812, 27758370, 32384765, 38861718, 55516740, 64769530, 77723436, 97154295, 129539060, 194308590, 388617180]

約数ペア:

[(1, 388617180), (2, 194308590), (3, 129539060), (4, 97154295), (5, 77723436), (6, 64769530), (7, 55516740), (10, 38861718), (12, 32384765), (14, 27758370), (15, 25907812), (20, 19430859), (21, 18505580), (28, 13879185), (30, 12953906), (35, 11103348), (42, 9252790), (60, 6476953), (70, 5551674), (84, 4626395), (105, 3701116), (140, 2775837), (210, 1850558), (420, 925279)]