70721140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17419}}^1$

素因数の和:17464

約数の個数: 48

約数和(自身を含む): 175593600

約数和(自身を除く): 104872460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17419, 34838, 69676, 87095, 121933, 174190, 243866, 348380, 487732, 505151, 609665, 1010302, 1219330, 2020604, 2438660, 2525755, 3536057, 5051510, 7072114, 10103020, 14144228, 17680285, 35360570, 70721140]

約数ペア:

[(1, 70721140), (2, 35360570), (4, 17680285), (5, 14144228), (7, 10103020), (10, 7072114), (14, 5051510), (20, 3536057), (28, 2525755), (29, 2438660), (35, 2020604), (58, 1219330), (70, 1010302), (116, 609665), (140, 505151), (145, 487732), (203, 348380), (290, 243866), (406, 174190), (580, 121933), (812, 87095), (1015, 69676), (2030, 34838), (4060, 17419)]