199259240

素因数分解:

$2^3\times 5^1\times {\mathrm{4981481}}^1$

素因数の和:4981492

約数の個数: 16

約数和(自身を含む): 448333380

約数和(自身を除く): 249074140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4981481, 9962962, 19925924, 24907405, 39851848, 49814810, 99629620, 199259240]

約数ペア:

[(1, 199259240), (2, 99629620), (4, 49814810), (5, 39851848), (8, 24907405), (10, 19925924), (20, 9962962), (40, 4981481)]