2005363775

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 2737994400

約数和(自身を除く): 732630625

約数列:

[1, 5, 17, 25, 29, 85, 145, 289, 425, 493, 563, 725, 1445, 2465, 2815, 4913, 7225, 8381, 9571, 12325, 14075, 16327, 24565, 41905, 47855, 81635, 122825, 142477, 162707, 209525, 239275, 277559, 408175, 712385, 813535, 1387795, 2766019, 3561925, 4067675, 4718503, 6938975, 13830095, 23592515, 69150475, 80214551, 117962575, 401072755, 2005363775]

約数ペア:

[(1, 2005363775), (5, 401072755), (17, 117962575), (25, 80214551), (29, 69150475), (85, 23592515), (145, 13830095), (289, 6938975), (425, 4718503), (493, 4067675), (563, 3561925), (725, 2766019), (1445, 1387795), (2465, 813535), (2815, 712385), (4913, 408175), (7225, 277559), (8381, 239275), (9571, 209525), (12325, 162707), (14075, 142477), (16327, 122825), (24565, 81635), (41905, 47855)]