238966480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{69467}}^1$

素因数の和:69523

約数の個数: 40

約数和(自身を含む): 568526112

約数和(自身を除く): 329559632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 69467, 138934, 277868, 347335, 555736, 694670, 1111472, 1389340, 2778680, 2987081, 5557360, 5974162, 11948324, 14935405, 23896648, 29870810, 47793296, 59741620, 119483240, 238966480]

約数ペア:

[(1, 238966480), (2, 119483240), (4, 59741620), (5, 47793296), (8, 29870810), (10, 23896648), (16, 14935405), (20, 11948324), (40, 5974162), (43, 5557360), (80, 2987081), (86, 2778680), (172, 1389340), (215, 1111472), (344, 694670), (430, 555736), (688, 347335), (860, 277868), (1720, 138934), (3440, 69467)]