215535460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1187}}^1\times {\mathrm{1297}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 518120064

約数和(自身を除く): 302584604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1187, 1297, 2374, 2594, 4748, 5188, 5935, 6485, 8309, 9079, 11870, 12970, 16618, 18158, 23740, 25940, 33236, 36316, 41545, 45395, 83090, 90790, 166180, 181580, 1539539, 3079078, 6158156, 7697695, 10776773, 15395390, 21553546, 30790780, 43107092, 53883865, 107767730, 215535460]

約数ペア:

[(1, 215535460), (2, 107767730), (4, 53883865), (5, 43107092), (7, 30790780), (10, 21553546), (14, 15395390), (20, 10776773), (28, 7697695), (35, 6158156), (70, 3079078), (140, 1539539), (1187, 181580), (1297, 166180), (2374, 90790), (2594, 83090), (4748, 45395), (5188, 41545), (5935, 36316), (6485, 33236), (8309, 25940), (9079, 23740), (11870, 18158), (12970, 16618)]