201609188980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72521291}}^1$

素因数の和:72521439

約数の個数: 24

約数和(自身を含む): 426425196960

約数和(自身を除く): 224816007980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72521291, 145042582, 290085164, 362606455, 725212910, 1450425820, 10080459449, 20160918898, 40321837796, 50402297245, 100804594490, 201609188980]

約数ペア:

[(1, 201609188980), (2, 100804594490), (4, 50402297245), (5, 40321837796), (10, 20160918898), (20, 10080459449), (139, 1450425820), (278, 725212910), (556, 362606455), (695, 290085164), (1390, 145042582), (2780, 72521291)]