147621740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1054441}}^1$

素因数の和:1054457

約数の個数: 24

約数和(自身を含む): 354292512

約数和(自身を除く): 206670772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1054441, 2108882, 4217764, 5272205, 7381087, 10544410, 14762174, 21088820, 29524348, 36905435, 73810870, 147621740]

約数ペア:

[(1, 147621740), (2, 73810870), (4, 36905435), (5, 29524348), (7, 21088820), (10, 14762174), (14, 10544410), (20, 7381087), (28, 5272205), (35, 4217764), (70, 2108882), (140, 1054441)]