1408540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10061}}^1$

素因数の和:10077

約数の個数: 24

約数和(自身を含む): 3380832

約数和(自身を除く): 1972292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10061, 20122, 40244, 50305, 70427, 100610, 140854, 201220, 281708, 352135, 704270, 1408540]

約数ペア:

[(1, 1408540), (2, 704270), (4, 352135), (5, 281708), (7, 201220), (10, 140854), (14, 100610), (20, 70427), (28, 50305), (35, 40244), (70, 20122), (140, 10061)]