157144420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{29209}}^1$

素因数の和:29487

約数の個数: 24

約数和(自身を含む): 331241400

約数和(自身を除く): 174096980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 29209, 58418, 116836, 146045, 292090, 584180, 7857221, 15714442, 31428884, 39286105, 78572210, 157144420]

約数ペア:

[(1, 157144420), (2, 78572210), (4, 39286105), (5, 31428884), (10, 15714442), (20, 7857221), (269, 584180), (538, 292090), (1076, 146045), (1345, 116836), (2690, 58418), (5380, 29209)]