30391340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217081}}^1$

素因数の和:217097

約数の個数: 24

約数和(自身を含む): 72939552

約数和(自身を除く): 42548212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217081, 434162, 868324, 1085405, 1519567, 2170810, 3039134, 4341620, 6078268, 7597835, 15195670, 30391340]

約数ペア:

[(1, 30391340), (2, 15195670), (4, 7597835), (5, 6078268), (7, 4341620), (10, 3039134), (14, 2170810), (20, 1519567), (28, 1085405), (35, 868324), (70, 434162), (140, 217081)]