71562860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1931}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 160665120

約数和(自身を除く): 89102260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 1931, 2180, 3706, 3862, 7412, 7724, 9265, 9655, 18530, 19310, 32827, 37060, 38620, 65654, 131308, 164135, 210479, 328270, 420958, 656540, 841916, 1052395, 2104790, 3578143, 4209580, 7156286, 14312572, 17890715, 35781430, 71562860]

約数ペア:

[(1, 71562860), (2, 35781430), (4, 17890715), (5, 14312572), (10, 7156286), (17, 4209580), (20, 3578143), (34, 2104790), (68, 1052395), (85, 841916), (109, 656540), (170, 420958), (218, 328270), (340, 210479), (436, 164135), (545, 131308), (1090, 65654), (1853, 38620), (1931, 37060), (2180, 32827), (3706, 19310), (3862, 18530), (7412, 9655), (7724, 9265)]