1269172940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9065521}}^1$

素因数の和:9065537

約数の個数: 24

約数和(自身を含む): 3046015392

約数和(自身を除く): 1776842452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9065521, 18131042, 36262084, 45327605, 63458647, 90655210, 126917294, 181310420, 253834588, 317293235, 634586470, 1269172940]

約数ペア:

[(1, 1269172940), (2, 634586470), (4, 317293235), (5, 253834588), (7, 181310420), (10, 126917294), (14, 90655210), (20, 63458647), (28, 45327605), (35, 36262084), (70, 18131042), (140, 9065521)]