248801875

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 384626880

約数和(自身を除く): 135825005

約数列:

[1, 5, 7, 25, 29, 35, 37, 53, 125, 145, 175, 185, 203, 259, 265, 371, 625, 725, 875, 925, 1015, 1073, 1295, 1325, 1537, 1855, 1961, 3625, 4375, 4625, 5075, 5365, 6475, 6625, 7511, 7685, 9275, 9805, 10759, 13727, 18125, 23125, 25375, 26825, 32375, 33125, 37555, 38425, 46375, 49025, 53795, 56869, 68635, 126875, 134125, 161875, 187775, 192125, 231875, 245125, 268975, 284345, 343175, 398083, 670625, 938875, 960625, 1225625, 1344875, 1421725, 1715875, 1990415, 4694375, 6724375, 7108625, 8579375, 9952075, 35543125, 49760375, 248801875]

約数ペア:

[(1, 248801875), (5, 49760375), (7, 35543125), (25, 9952075), (29, 8579375), (35, 7108625), (37, 6724375), (53, 4694375), (125, 1990415), (145, 1715875), (175, 1421725), (185, 1344875), (203, 1225625), (259, 960625), (265, 938875), (371, 670625), (625, 398083), (725, 343175), (875, 284345), (925, 268975), (1015, 245125), (1073, 231875), (1295, 192125), (1325, 187775), (1537, 161875), (1855, 134125), (1961, 126875), (3625, 68635), (4375, 56869), (4625, 53795), (5075, 49025), (5365, 46375), (6475, 38425), (6625, 37555), (7511, 33125), (7685, 32375), (9275, 26825), (9805, 25375), (10759, 23125), (13727, 18125)]