1098440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3923}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 2825280

約数和(自身を除く): 1726840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3923, 7846, 15692, 19615, 27461, 31384, 39230, 54922, 78460, 109844, 137305, 156920, 219688, 274610, 549220, 1098440]

約数ペア:

[(1, 1098440), (2, 549220), (4, 274610), (5, 219688), (7, 156920), (8, 137305), (10, 109844), (14, 78460), (20, 54922), (28, 39230), (35, 31384), (40, 27461), (56, 19615), (70, 15692), (140, 7846), (280, 3923)]