204900575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 300918240

約数和(自身を除く): 96017665

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 187, 205, 275, 425, 451, 697, 935, 1025, 1069, 2255, 3485, 4675, 5345, 7667, 11275, 11759, 17425, 18173, 26725, 38335, 43829, 58795, 90865, 191675, 199903, 219145, 293975, 454325, 482119, 745093, 999515, 1095725, 2410595, 3725465, 4997575, 8196023, 12052975, 18627325, 40980115, 204900575]

約数ペア:

[(1, 204900575), (5, 40980115), (11, 18627325), (17, 12052975), (25, 8196023), (41, 4997575), (55, 3725465), (85, 2410595), (187, 1095725), (205, 999515), (275, 745093), (425, 482119), (451, 454325), (697, 293975), (935, 219145), (1025, 199903), (1069, 191675), (2255, 90865), (3485, 58795), (4675, 43829), (5345, 38335), (7667, 26725), (11275, 18173), (11759, 17425)]