199951370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{253103}}^1$

素因数の和:253189

約数の個数: 16

約数和(自身を含む): 364469760

約数和(自身を除く): 164518390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 253103, 506206, 1265515, 2531030, 19995137, 39990274, 99975685, 199951370]

約数ペア:

[(1, 199951370), (2, 99975685), (5, 39990274), (10, 19995137), (79, 2531030), (158, 1265515), (395, 506206), (790, 253103)]