231446140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{172721}}^1$

素因数の和:172797

約数の個数: 24

約数和(自身を含む): 493294032

約数和(自身を除く): 261847892

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 172721, 345442, 690884, 863605, 1727210, 3454420, 11572307, 23144614, 46289228, 57861535, 115723070, 231446140]

約数ペア:

[(1, 231446140), (2, 115723070), (4, 57861535), (5, 46289228), (10, 23144614), (20, 11572307), (67, 3454420), (134, 1727210), (268, 863605), (335, 690884), (670, 345442), (1340, 172721)]