72990100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{25169}}^1$

素因数の和:25212

約数の個数: 36

約数和(自身を含む): 163856700

約数和(自身を除く): 90866600

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 25169, 50338, 100676, 125845, 251690, 503380, 629225, 729901, 1258450, 1459802, 2516900, 2919604, 3649505, 7299010, 14598020, 18247525, 36495050, 72990100]

約数ペア:

[(1, 72990100), (2, 36495050), (4, 18247525), (5, 14598020), (10, 7299010), (20, 3649505), (25, 2919604), (29, 2516900), (50, 1459802), (58, 1258450), (100, 729901), (116, 629225), (145, 503380), (290, 251690), (580, 125845), (725, 100676), (1450, 50338), (2900, 25169)]