2019127900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5191

約数の個数: 72

約数和(自身を含む): 4566114000

約数和(自身を除く): 2546986100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 139, 145, 278, 290, 556, 580, 695, 725, 1390, 1450, 2780, 2900, 3475, 4031, 5009, 6950, 8062, 10018, 13900, 16124, 20036, 20155, 25045, 40310, 50090, 80620, 100180, 100775, 125225, 145261, 201550, 250450, 290522, 403100, 500900, 581044, 696251, 726305, 1392502, 1452610, 2785004, 2905220, 3481255, 3631525, 6962510, 7263050, 13925020, 14526100, 17406275, 20191279, 34812550, 40382558, 69625100, 80765116, 100956395, 201912790, 403825580, 504781975, 1009563950, 2019127900]

約数ペア:

[(1, 2019127900), (2, 1009563950), (4, 504781975), (5, 403825580), (10, 201912790), (20, 100956395), (25, 80765116), (29, 69625100), (50, 40382558), (58, 34812550), (100, 20191279), (116, 17406275), (139, 14526100), (145, 13925020), (278, 7263050), (290, 6962510), (556, 3631525), (580, 3481255), (695, 2905220), (725, 2785004), (1390, 1452610), (1450, 1392502), (2780, 726305), (2900, 696251), (3475, 581044), (4031, 500900), (5009, 403100), (6950, 290522), (8062, 250450), (10018, 201550), (13900, 145261), (16124, 125225), (20036, 100775), (20155, 100180), (25045, 80620), (40310, 50090)]