1999540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5907

約数の個数: 24

約数和(自身を含む): 4446792

約数和(自身を除く): 2447252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5881, 11762, 23524, 29405, 58810, 99977, 117620, 199954, 399908, 499885, 999770, 1999540]

約数ペア:

[(1, 1999540), (2, 999770), (4, 499885), (5, 399908), (10, 199954), (17, 117620), (20, 99977), (34, 58810), (68, 29405), (85, 23524), (170, 11762), (340, 5881)]