259856000

素因数分解:

$2^7\times 5^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 656370000

約数和(自身を除く): 396514000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 125, 128, 149, 160, 200, 218, 250, 298, 320, 400, 436, 500, 545, 596, 640, 745, 800, 872, 1000, 1090, 1192, 1490, 1600, 1744, 2000, 2180, 2384, 2725, 2980, 3200, 3488, 3725, 4000, 4360, 4768, 5450, 5960, 6976, 7450, 8000, 8720, 9536, 10900, 11920, 13625, 13952, 14900, 16000, 16241, 17440, 18625, 19072, 21800, 23840, 27250, 29800, 32482, 34880, 37250, 43600, 47680, 54500, 59600, 64964, 69760, 74500, 81205, 87200, 95360, 109000, 119200, 129928, 149000, 162410, 174400, 218000, 238400, 259856, 298000, 324820, 348800, 406025, 436000, 476800, 519712, 596000, 649640, 812050, 872000, 1039424, 1192000, 1299280, 1624100, 1744000, 2030125, 2078848, 2384000, 2598560, 3248200, 4060250, 5197120, 6496400, 8120500, 10394240, 12992800, 16241000, 25985600, 32482000, 51971200, 64964000, 129928000, 259856000]

約数ペア:

[(1, 259856000), (2, 129928000), (4, 64964000), (5, 51971200), (8, 32482000), (10, 25985600), (16, 16241000), (20, 12992800), (25, 10394240), (32, 8120500), (40, 6496400), (50, 5197120), (64, 4060250), (80, 3248200), (100, 2598560), (109, 2384000), (125, 2078848), (128, 2030125), (149, 1744000), (160, 1624100), (200, 1299280), (218, 1192000), (250, 1039424), (298, 872000), (320, 812050), (400, 649640), (436, 596000), (500, 519712), (545, 476800), (596, 436000), (640, 406025), (745, 348800), (800, 324820), (872, 298000), (1000, 259856), (1090, 238400), (1192, 218000), (1490, 174400), (1600, 162410), (1744, 149000), (2000, 129928), (2180, 119200), (2384, 109000), (2725, 95360), (2980, 87200), (3200, 81205), (3488, 74500), (3725, 69760), (4000, 64964), (4360, 59600), (4768, 54500), (5450, 47680), (5960, 43600), (6976, 37250), (7450, 34880), (8000, 32482), (8720, 29800), (9536, 27250), (10900, 23840), (11920, 21800), (13625, 19072), (13952, 18625), (14900, 17440), (16000, 16241)]