71461220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123209}}^1$

素因数の和:123247

約数の個数: 24

約数和(自身を含む): 155244600

約数和(自身を除く): 83783380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123209, 246418, 492836, 616045, 1232090, 2464180, 3573061, 7146122, 14292244, 17865305, 35730610, 71461220]

約数ペア:

[(1, 71461220), (2, 35730610), (4, 17865305), (5, 14292244), (10, 7146122), (20, 3573061), (29, 2464180), (58, 1232090), (116, 616045), (145, 492836), (290, 246418), (580, 123209)]