388620525

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 655958016

約数和(自身を除く): 267337491

約数列:

[1, 3, 5, 15, 25, 75, 83, 163, 249, 383, 415, 489, 815, 1149, 1245, 1915, 2075, 2445, 4075, 5745, 6225, 9575, 12225, 13529, 28725, 31789, 40587, 62429, 67645, 95367, 158945, 187287, 202935, 312145, 338225, 476835, 794725, 936435, 1014675, 1560725, 2384175, 4682175, 5181607, 15544821, 25908035, 77724105, 129540175, 388620525]

約数ペア:

[(1, 388620525), (3, 129540175), (5, 77724105), (15, 25908035), (25, 15544821), (75, 5181607), (83, 4682175), (163, 2384175), (249, 1560725), (383, 1014675), (415, 936435), (489, 794725), (815, 476835), (1149, 338225), (1245, 312145), (1915, 202935), (2075, 187287), (2445, 158945), (4075, 95367), (5745, 67645), (6225, 62429), (9575, 40587), (12225, 31789), (13529, 28725)]