201858125

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 313399680

約数和(自身を除く): 111541555

約数列:

[1, 5, 7, 25, 29, 35, 37, 43, 125, 145, 175, 185, 203, 215, 259, 301, 625, 725, 875, 925, 1015, 1073, 1075, 1247, 1295, 1505, 1591, 3625, 4375, 4625, 5075, 5365, 5375, 6235, 6475, 7511, 7525, 7955, 8729, 11137, 18125, 23125, 25375, 26825, 26875, 31175, 32375, 37555, 37625, 39775, 43645, 46139, 55685, 126875, 134125, 155875, 161875, 187775, 188125, 198875, 218225, 230695, 278425, 322973, 670625, 779375, 938875, 994375, 1091125, 1153475, 1392125, 1614865, 4694375, 5455625, 5767375, 6960625, 8074325, 28836875, 40371625, 201858125]

約数ペア:

[(1, 201858125), (5, 40371625), (7, 28836875), (25, 8074325), (29, 6960625), (35, 5767375), (37, 5455625), (43, 4694375), (125, 1614865), (145, 1392125), (175, 1153475), (185, 1091125), (203, 994375), (215, 938875), (259, 779375), (301, 670625), (625, 322973), (725, 278425), (875, 230695), (925, 218225), (1015, 198875), (1073, 188125), (1075, 187775), (1247, 161875), (1295, 155875), (1505, 134125), (1591, 126875), (3625, 55685), (4375, 46139), (4625, 43645), (5075, 39775), (5365, 37625), (5375, 37555), (6235, 32375), (6475, 31175), (7511, 26875), (7525, 26825), (7955, 25375), (8729, 23125), (11137, 18125)]