1249120000

素因数分解:

$2^8\times 5^4\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 180

約数和(自身を含む): 3215077096

約数和(自身を除く): 1965957096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 125, 128, 148, 160, 185, 200, 211, 250, 256, 296, 320, 370, 400, 422, 500, 592, 625, 640, 740, 800, 844, 925, 1000, 1055, 1184, 1250, 1280, 1480, 1600, 1688, 1850, 2000, 2110, 2368, 2500, 2960, 3200, 3376, 3700, 4000, 4220, 4625, 4736, 5000, 5275, 5920, 6400, 6752, 7400, 7807, 8000, 8440, 9250, 9472, 10000, 10550, 11840, 13504, 14800, 15614, 16000, 16880, 18500, 20000, 21100, 23125, 23680, 26375, 27008, 29600, 31228, 32000, 33760, 37000, 39035, 40000, 42200, 46250, 47360, 52750, 54016, 59200, 62456, 67520, 74000, 78070, 80000, 84400, 92500, 105500, 118400, 124912, 131875, 135040, 148000, 156140, 160000, 168800, 185000, 195175, 211000, 236800, 249824, 263750, 270080, 296000, 312280, 337600, 370000, 390350, 422000, 499648, 527500, 592000, 624560, 675200, 740000, 780700, 844000, 975875, 999296, 1055000, 1184000, 1249120, 1350400, 1480000, 1561400, 1688000, 1951750, 1998592, 2110000, 2498240, 2960000, 3122800, 3376000, 3903500, 4220000, 4879375, 4996480, 5920000, 6245600, 6752000, 7807000, 8440000, 9758750, 9992960, 12491200, 15614000, 16880000, 19517500, 24982400, 31228000, 33760000, 39035000, 49964800, 62456000, 78070000, 124912000, 156140000, 249824000, 312280000, 624560000, 1249120000]

約数ペア:

[(1, 1249120000), (2, 624560000), (4, 312280000), (5, 249824000), (8, 156140000), (10, 124912000), (16, 78070000), (20, 62456000), (25, 49964800), (32, 39035000), (37, 33760000), (40, 31228000), (50, 24982400), (64, 19517500), (74, 16880000), (80, 15614000), (100, 12491200), (125, 9992960), (128, 9758750), (148, 8440000), (160, 7807000), (185, 6752000), (200, 6245600), (211, 5920000), (250, 4996480), (256, 4879375), (296, 4220000), (320, 3903500), (370, 3376000), (400, 3122800), (422, 2960000), (500, 2498240), (592, 2110000), (625, 1998592), (640, 1951750), (740, 1688000), (800, 1561400), (844, 1480000), (925, 1350400), (1000, 1249120), (1055, 1184000), (1184, 1055000), (1250, 999296), (1280, 975875), (1480, 844000), (1600, 780700), (1688, 740000), (1850, 675200), (2000, 624560), (2110, 592000), (2368, 527500), (2500, 499648), (2960, 422000), (3200, 390350), (3376, 370000), (3700, 337600), (4000, 312280), (4220, 296000), (4625, 270080), (4736, 263750), (5000, 249824), (5275, 236800), (5920, 211000), (6400, 195175), (6752, 185000), (7400, 168800), (7807, 160000), (8000, 156140), (8440, 148000), (9250, 135040), (9472, 131875), (10000, 124912), (10550, 118400), (11840, 105500), (13504, 92500), (14800, 84400), (15614, 80000), (16000, 78070), (16880, 74000), (18500, 67520), (20000, 62456), (21100, 59200), (23125, 54016), (23680, 52750), (26375, 47360), (27008, 46250), (29600, 42200), (31228, 40000), (32000, 39035), (33760, 37000)]