209308880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{237851}}^1$

素因数の和:237875

約数の個数: 40

約数和(自身を含む): 530885664

約数和(自身を除く): 321576784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 237851, 475702, 951404, 1189255, 1902808, 2378510, 2616361, 3805616, 4757020, 5232722, 9514040, 10465444, 13081805, 19028080, 20930888, 26163610, 41861776, 52327220, 104654440, 209308880]

約数ペア:

[(1, 209308880), (2, 104654440), (4, 52327220), (5, 41861776), (8, 26163610), (10, 20930888), (11, 19028080), (16, 13081805), (20, 10465444), (22, 9514040), (40, 5232722), (44, 4757020), (55, 3805616), (80, 2616361), (88, 2378510), (110, 1902808), (176, 1189255), (220, 951404), (440, 475702), (880, 237851)]