138836180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12553}}^1$

素因数の和:12648

約数の個数: 48

約数和(自身を含む): 337451520

約数和(自身を除く): 198615340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 12553, 25106, 50212, 62765, 87871, 125530, 175742, 251060, 351484, 439355, 878710, 991687, 1757420, 1983374, 3966748, 4958435, 6941809, 9916870, 13883618, 19833740, 27767236, 34709045, 69418090, 138836180]

約数ペア:

[(1, 138836180), (2, 69418090), (4, 34709045), (5, 27767236), (7, 19833740), (10, 13883618), (14, 9916870), (20, 6941809), (28, 4958435), (35, 3966748), (70, 1983374), (79, 1757420), (140, 991687), (158, 878710), (316, 439355), (395, 351484), (553, 251060), (790, 175742), (1106, 125530), (1580, 87871), (2212, 62765), (2765, 50212), (5530, 25106), (11060, 12553)]