72012022990

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{28690049}}^1$

素因数の和:28690307

約数の個数: 16

約数和(自身を含む): 130138066800

約数和(自身を除く): 58126043810

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 28690049, 57380098, 143450245, 286900490, 7201202299, 14402404598, 36006011495, 72012022990]

約数ペア:

[(1, 72012022990), (2, 36006011495), (5, 14402404598), (10, 7201202299), (251, 286900490), (502, 143450245), (1255, 57380098), (2510, 28690049)]