389879500

素因数分解:

$2^2\times 5^3\times {\mathrm{419}}^1\times {\mathrm{1861}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 853987680

約数和(自身を除く): 464108180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 419, 500, 838, 1676, 1861, 2095, 3722, 4190, 7444, 8380, 9305, 10475, 18610, 20950, 37220, 41900, 46525, 52375, 93050, 104750, 186100, 209500, 232625, 465250, 779759, 930500, 1559518, 3119036, 3898795, 7797590, 15595180, 19493975, 38987950, 77975900, 97469875, 194939750, 389879500]

約数ペア:

[(1, 389879500), (2, 194939750), (4, 97469875), (5, 77975900), (10, 38987950), (20, 19493975), (25, 15595180), (50, 7797590), (100, 3898795), (125, 3119036), (250, 1559518), (419, 930500), (500, 779759), (838, 465250), (1676, 232625), (1861, 209500), (2095, 186100), (3722, 104750), (4190, 93050), (7444, 52375), (8380, 46525), (9305, 41900), (10475, 37220), (18610, 20950)]