210320000

素因数分解:

$2^7\times 5^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 160

約数和(自身を含む): 573566400

約数和(自身を除く): 363246400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 239, 250, 275, 320, 352, 400, 440, 478, 500, 550, 625, 640, 704, 800, 880, 956, 1000, 1100, 1195, 1250, 1375, 1408, 1600, 1760, 1912, 2000, 2200, 2390, 2500, 2629, 2750, 3200, 3520, 3824, 4000, 4400, 4780, 5000, 5258, 5500, 5975, 6875, 7040, 7648, 8000, 8800, 9560, 10000, 10516, 11000, 11950, 13145, 13750, 15296, 16000, 17600, 19120, 20000, 21032, 22000, 23900, 26290, 27500, 29875, 30592, 35200, 38240, 40000, 42064, 44000, 47800, 52580, 55000, 59750, 65725, 76480, 80000, 84128, 88000, 95600, 105160, 110000, 119500, 131450, 149375, 152960, 168256, 176000, 191200, 210320, 220000, 239000, 262900, 298750, 328625, 336512, 382400, 420640, 440000, 478000, 525800, 597500, 657250, 764800, 841280, 880000, 956000, 1051600, 1195000, 1314500, 1643125, 1682560, 1912000, 2103200, 2390000, 2629000, 3286250, 3824000, 4206400, 4780000, 5258000, 6572500, 8412800, 9560000, 10516000, 13145000, 19120000, 21032000, 26290000, 42064000, 52580000, 105160000, 210320000]

約数ペア:

[(1, 210320000), (2, 105160000), (4, 52580000), (5, 42064000), (8, 26290000), (10, 21032000), (11, 19120000), (16, 13145000), (20, 10516000), (22, 9560000), (25, 8412800), (32, 6572500), (40, 5258000), (44, 4780000), (50, 4206400), (55, 3824000), (64, 3286250), (80, 2629000), (88, 2390000), (100, 2103200), (110, 1912000), (125, 1682560), (128, 1643125), (160, 1314500), (176, 1195000), (200, 1051600), (220, 956000), (239, 880000), (250, 841280), (275, 764800), (320, 657250), (352, 597500), (400, 525800), (440, 478000), (478, 440000), (500, 420640), (550, 382400), (625, 336512), (640, 328625), (704, 298750), (800, 262900), (880, 239000), (956, 220000), (1000, 210320), (1100, 191200), (1195, 176000), (1250, 168256), (1375, 152960), (1408, 149375), (1600, 131450), (1760, 119500), (1912, 110000), (2000, 105160), (2200, 95600), (2390, 88000), (2500, 84128), (2629, 80000), (2750, 76480), (3200, 65725), (3520, 59750), (3824, 55000), (4000, 52580), (4400, 47800), (4780, 44000), (5000, 42064), (5258, 40000), (5500, 38240), (5975, 35200), (6875, 30592), (7040, 29875), (7648, 27500), (8000, 26290), (8800, 23900), (9560, 22000), (10000, 21032), (10516, 20000), (11000, 19120), (11950, 17600), (13145, 16000), (13750, 15296)]