209976340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1499831}}^1$

素因数の和:1499847

約数の個数: 24

約数和(自身を含む): 503943552

約数和(自身を除く): 293967212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1499831, 2999662, 5999324, 7499155, 10498817, 14998310, 20997634, 29996620, 41995268, 52494085, 104988170, 209976340]

約数ペア:

[(1, 209976340), (2, 104988170), (4, 52494085), (5, 41995268), (7, 29996620), (10, 20997634), (14, 14998310), (20, 10498817), (28, 7499155), (35, 5999324), (70, 2999662), (140, 1499831)]