199872370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{253003}}^1$

素因数の和:253089

約数の個数: 16

約数和(自身を含む): 364325760

約数和(自身を除く): 164453390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 253003, 506006, 1265015, 2530030, 19987237, 39974474, 99936185, 199872370]

約数ペア:

[(1, 199872370), (2, 99936185), (5, 39974474), (10, 19987237), (79, 2530030), (158, 1265015), (395, 506006), (790, 253003)]