145241740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1037441}}^1$

素因数の和:1037457

約数の個数: 24

約数和(自身を含む): 348580512

約数和(自身を除く): 203338772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1037441, 2074882, 4149764, 5187205, 7262087, 10374410, 14524174, 20748820, 29048348, 36310435, 72620870, 145241740]

約数ペア:

[(1, 145241740), (2, 72620870), (4, 36310435), (5, 29048348), (7, 20748820), (10, 14524174), (14, 10374410), (20, 7262087), (28, 5187205), (35, 4149764), (70, 2074882), (140, 1037441)]