1279802020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9141443}}^1$

素因数の和:9141459

約数の個数: 24

約数和(自身を含む): 3071525184

約数和(自身を除く): 1791723164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9141443, 18282886, 36565772, 45707215, 63990101, 91414430, 127980202, 182828860, 255960404, 319950505, 639901010, 1279802020]

約数ペア:

[(1, 1279802020), (2, 639901010), (4, 319950505), (5, 255960404), (7, 182828860), (10, 127980202), (14, 91414430), (20, 63990101), (28, 45707215), (35, 36565772), (70, 18282886), (140, 9141443)]