205189075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 339978240

約数和(自身を除く): 134789165

約数列:

[1, 5, 7, 13, 19, 25, 35, 47, 65, 91, 95, 101, 133, 175, 235, 247, 325, 329, 455, 475, 505, 611, 665, 707, 893, 1175, 1235, 1313, 1645, 1729, 1919, 2275, 2525, 3055, 3325, 3535, 4277, 4465, 4747, 6175, 6251, 6565, 8225, 8645, 9191, 9595, 11609, 13433, 15275, 17675, 21385, 22325, 23735, 24947, 31255, 32825, 33229, 43225, 45955, 47975, 58045, 61711, 67165, 81263, 90193, 106925, 118675, 124735, 156275, 166145, 174629, 229775, 290225, 308555, 335825, 406315, 431977, 450965, 623675, 631351, 830725, 873145, 1172509, 1542775, 2031575, 2159885, 2254825, 3156755, 4365725, 5862545, 8207563, 10799425, 15783775, 29312725, 41037815, 205189075]

約数ペア:

[(1, 205189075), (5, 41037815), (7, 29312725), (13, 15783775), (19, 10799425), (25, 8207563), (35, 5862545), (47, 4365725), (65, 3156755), (91, 2254825), (95, 2159885), (101, 2031575), (133, 1542775), (175, 1172509), (235, 873145), (247, 830725), (325, 631351), (329, 623675), (455, 450965), (475, 431977), (505, 406315), (611, 335825), (665, 308555), (707, 290225), (893, 229775), (1175, 174629), (1235, 166145), (1313, 156275), (1645, 124735), (1729, 118675), (1919, 106925), (2275, 90193), (2525, 81263), (3055, 67165), (3325, 61711), (3535, 58045), (4277, 47975), (4465, 45955), (4747, 43225), (6175, 33229), (6251, 32825), (6565, 31255), (8225, 24947), (8645, 23735), (9191, 22325), (9595, 21385), (11609, 17675), (13433, 15275)]