53137420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{991}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 127991808

約数和(自身を除く): 74854388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 991, 1532, 1915, 1982, 2681, 3830, 3964, 4955, 5362, 6937, 7660, 9910, 10724, 13405, 13874, 19820, 26810, 27748, 34685, 53620, 69370, 138740, 379553, 759106, 1518212, 1897765, 2656871, 3795530, 5313742, 7591060, 10627484, 13284355, 26568710, 53137420]

約数ペア:

[(1, 53137420), (2, 26568710), (4, 13284355), (5, 10627484), (7, 7591060), (10, 5313742), (14, 3795530), (20, 2656871), (28, 1897765), (35, 1518212), (70, 759106), (140, 379553), (383, 138740), (766, 69370), (991, 53620), (1532, 34685), (1915, 27748), (1982, 26810), (2681, 19820), (3830, 13874), (3964, 13405), (4955, 10724), (5362, 9910), (6937, 7660)]