1138476940

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{38281}}^1$

素因数の和:39777

約数の個数: 24

約数和(自身を含む): 2392471872

約数和(自身を除く): 1253994932

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 29740, 38281, 76562, 153124, 191405, 382810, 765620, 56923847, 113847694, 227695388, 284619235, 569238470, 1138476940]

約数ペア:

[(1, 1138476940), (2, 569238470), (4, 284619235), (5, 227695388), (10, 113847694), (20, 56923847), (1487, 765620), (2974, 382810), (5948, 191405), (7435, 153124), (14870, 76562), (29740, 38281)]