199722880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 552024000

約数和(自身を除く): 352301120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 109, 112, 128, 140, 160, 218, 224, 280, 320, 409, 436, 448, 545, 560, 640, 763, 818, 872, 896, 1090, 1120, 1526, 1636, 1744, 2045, 2180, 2240, 2863, 3052, 3272, 3488, 3815, 4090, 4360, 4480, 5726, 6104, 6544, 6976, 7630, 8180, 8720, 11452, 12208, 13088, 13952, 14315, 15260, 16360, 17440, 22904, 24416, 26176, 28630, 30520, 32720, 34880, 44581, 45808, 48832, 52352, 57260, 61040, 65440, 69760, 89162, 91616, 97664, 114520, 122080, 130880, 178324, 183232, 222905, 229040, 244160, 261760, 312067, 356648, 366464, 445810, 458080, 488320, 624134, 713296, 891620, 916160, 1248268, 1426592, 1560335, 1783240, 1832320, 2496536, 2853184, 3120670, 3566480, 4993072, 5706368, 6241340, 7132960, 9986144, 12482680, 14265920, 19972288, 24965360, 28531840, 39944576, 49930720, 99861440, 199722880]

約数ペア:

[(1, 199722880), (2, 99861440), (4, 49930720), (5, 39944576), (7, 28531840), (8, 24965360), (10, 19972288), (14, 14265920), (16, 12482680), (20, 9986144), (28, 7132960), (32, 6241340), (35, 5706368), (40, 4993072), (56, 3566480), (64, 3120670), (70, 2853184), (80, 2496536), (109, 1832320), (112, 1783240), (128, 1560335), (140, 1426592), (160, 1248268), (218, 916160), (224, 891620), (280, 713296), (320, 624134), (409, 488320), (436, 458080), (448, 445810), (545, 366464), (560, 356648), (640, 312067), (763, 261760), (818, 244160), (872, 229040), (896, 222905), (1090, 183232), (1120, 178324), (1526, 130880), (1636, 122080), (1744, 114520), (2045, 97664), (2180, 91616), (2240, 89162), (2863, 69760), (3052, 65440), (3272, 61040), (3488, 57260), (3815, 52352), (4090, 48832), (4360, 45808), (4480, 44581), (5726, 34880), (6104, 32720), (6544, 30520), (6976, 28630), (7630, 26176), (8180, 24416), (8720, 22904), (11452, 17440), (12208, 16360), (13088, 15260), (13952, 14315)]