219255680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:584

約数の個数: 128

約数和(自身を含む): 605880000

約数和(自身を除く): 386624320

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, 436, 448, 449, 545, 560, 640, 763, 872, 896, 898, 1090, 1120, 1526, 1744, 1796, 2180, 2240, 2245, 3052, 3143, 3488, 3592, 3815, 4360, 4480, 4490, 6104, 6286, 6976, 7184, 7630, 8720, 8980, 12208, 12572, 13952, 14368, 15260, 15715, 17440, 17960, 24416, 25144, 28736, 30520, 31430, 34880, 35920, 48832, 48941, 50288, 57472, 61040, 62860, 69760, 71840, 97664, 97882, 100576, 122080, 125720, 143680, 195764, 201152, 244160, 244705, 251440, 287360, 342587, 391528, 402304, 488320, 489410, 502880, 685174, 783056, 978820, 1005760, 1370348, 1566112, 1712935, 1957640, 2011520, 2740696, 3132224, 3425870, 3915280, 5481392, 6264448, 6851740, 7830560, 10962784, 13703480, 15661120, 21925568, 27406960, 31322240, 43851136, 54813920, 109627840, 219255680]

約数ペア:

[(1, 219255680), (2, 109627840), (4, 54813920), (5, 43851136), (7, 31322240), (8, 27406960), (10, 21925568), (14, 15661120), (16, 13703480), (20, 10962784), (28, 7830560), (32, 6851740), (35, 6264448), (40, 5481392), (56, 3915280), (64, 3425870), (70, 3132224), (80, 2740696), (109, 2011520), (112, 1957640), (128, 1712935), (140, 1566112), (160, 1370348), (218, 1005760), (224, 978820), (280, 783056), (320, 685174), (436, 502880), (448, 489410), (449, 488320), (545, 402304), (560, 391528), (640, 342587), (763, 287360), (872, 251440), (896, 244705), (898, 244160), (1090, 201152), (1120, 195764), (1526, 143680), (1744, 125720), (1796, 122080), (2180, 100576), (2240, 97882), (2245, 97664), (3052, 71840), (3143, 69760), (3488, 62860), (3592, 61040), (3815, 57472), (4360, 50288), (4480, 48941), (4490, 48832), (6104, 35920), (6286, 34880), (6976, 31430), (7184, 30520), (7630, 28736), (8720, 25144), (8980, 24416), (12208, 17960), (12572, 17440), (13952, 15715), (14368, 15260)]