198326320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57653}}^1$

素因数の和:57709

約数の個数: 40

約数和(自身を含む): 471840336

約数和(自身を除く): 273514016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 57653, 115306, 230612, 288265, 461224, 576530, 922448, 1153060, 2306120, 2479079, 4612240, 4958158, 9916316, 12395395, 19832632, 24790790, 39665264, 49581580, 99163160, 198326320]

約数ペア:

[(1, 198326320), (2, 99163160), (4, 49581580), (5, 39665264), (8, 24790790), (10, 19832632), (16, 12395395), (20, 9916316), (40, 4958158), (43, 4612240), (80, 2479079), (86, 2306120), (172, 1153060), (215, 922448), (344, 576530), (430, 461224), (688, 288265), (860, 230612), (1720, 115306), (3440, 57653)]