214920880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{62477}}^1$

素因数の和:62533

約数の個数: 40

約数和(自身を含む): 511319952

約数和(自身を除く): 296399072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 62477, 124954, 249908, 312385, 499816, 624770, 999632, 1249540, 2499080, 2686511, 4998160, 5373022, 10746044, 13432555, 21492088, 26865110, 42984176, 53730220, 107460440, 214920880]

約数ペア:

[(1, 214920880), (2, 107460440), (4, 53730220), (5, 42984176), (8, 26865110), (10, 21492088), (16, 13432555), (20, 10746044), (40, 5373022), (43, 4998160), (80, 2686511), (86, 2499080), (172, 1249540), (215, 999632), (344, 624770), (430, 499816), (688, 312385), (860, 249908), (1720, 124954), (3440, 62477)]