7658900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 18228000

約数和(自身を除く): 10569100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 139, 145, 190, 278, 290, 380, 475, 551, 556, 580, 695, 725, 950, 1102, 1390, 1450, 1900, 2204, 2641, 2755, 2780, 2900, 3475, 4031, 5282, 5510, 6950, 8062, 10564, 11020, 13205, 13775, 13900, 16124, 20155, 26410, 27550, 40310, 52820, 55100, 66025, 76589, 80620, 100775, 132050, 153178, 201550, 264100, 306356, 382945, 403100, 765890, 1531780, 1914725, 3829450, 7658900]

約数ペア:

[(1, 7658900), (2, 3829450), (4, 1914725), (5, 1531780), (10, 765890), (19, 403100), (20, 382945), (25, 306356), (29, 264100), (38, 201550), (50, 153178), (58, 132050), (76, 100775), (95, 80620), (100, 76589), (116, 66025), (139, 55100), (145, 52820), (190, 40310), (278, 27550), (290, 26410), (380, 20155), (475, 16124), (551, 13900), (556, 13775), (580, 13205), (695, 11020), (725, 10564), (950, 8062), (1102, 6950), (1390, 5510), (1450, 5282), (1900, 4031), (2204, 3475), (2641, 2900), (2755, 2780)]