1818667060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12990479}}^1$

素因数の和:12990495

約数の個数: 24

約数和(自身を含む): 4364801280

約数和(自身を除く): 2546134220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12990479, 25980958, 51961916, 64952395, 90933353, 129904790, 181866706, 259809580, 363733412, 454666765, 909333530, 1818667060]

約数ペア:

[(1, 1818667060), (2, 909333530), (4, 454666765), (5, 363733412), (7, 259809580), (10, 181866706), (14, 129904790), (20, 90933353), (28, 64952395), (35, 51961916), (70, 25980958), (140, 12990479)]