71019220

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{15643}}^1$

素因数の和:15879

約数の個数: 24

約数和(自身を含む): 149806944

約数和(自身を除く): 78787724

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 15643, 31286, 62572, 78215, 156430, 312860, 3550961, 7101922, 14203844, 17754805, 35509610, 71019220]

約数ペア:

[(1, 71019220), (2, 35509610), (4, 17754805), (5, 14203844), (10, 7101922), (20, 3550961), (227, 312860), (454, 156430), (908, 78215), (1135, 62572), (2270, 31286), (4540, 15643)]