199940500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{13789}}^1$

素因数の和:13837

約数の個数: 48

約数和(自身を含む): 451760400

約数和(自身を除く): 251819900

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 2900, 3625, 7250, 13789, 14500, 27578, 55156, 68945, 137890, 275780, 344725, 399881, 689450, 799762, 1378900, 1599524, 1723625, 1999405, 3447250, 3998810, 6894500, 7997620, 9997025, 19994050, 39988100, 49985125, 99970250, 199940500]

約数ペア:

[(1, 199940500), (2, 99970250), (4, 49985125), (5, 39988100), (10, 19994050), (20, 9997025), (25, 7997620), (29, 6894500), (50, 3998810), (58, 3447250), (100, 1999405), (116, 1723625), (125, 1599524), (145, 1378900), (250, 799762), (290, 689450), (500, 399881), (580, 344725), (725, 275780), (1450, 137890), (2900, 68945), (3625, 55156), (7250, 27578), (13789, 14500)]