230395640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{42043}}^1$

素因数の和:42191

約数の個数: 32

約数和(自身を含む): 522186480

約数和(自身を除く): 291790840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 42043, 84086, 168172, 210215, 336344, 420430, 840860, 1681720, 5759891, 11519782, 23039564, 28799455, 46079128, 57598910, 115197820, 230395640]

約数ペア:

[(1, 230395640), (2, 115197820), (4, 57598910), (5, 46079128), (8, 28799455), (10, 23039564), (20, 11519782), (40, 5759891), (137, 1681720), (274, 840860), (548, 420430), (685, 336344), (1096, 210215), (1370, 168172), (2740, 84086), (5480, 42043)]