71500210

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{51439}}^1$

素因数の和:51585

約数の個数: 16

約数和(自身を含む): 129628800

約数和(自身を除く): 58128590

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 51439, 102878, 257195, 514390, 7150021, 14300042, 35750105, 71500210]

約数ペア:

[(1, 71500210), (2, 35750105), (5, 14300042), (10, 7150021), (139, 514390), (278, 257195), (695, 102878), (1390, 51439)]