219860320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80831}}^1$

素因数の和:80863

約数の個数: 48

約数和(自身を含む): 549980928

約数和(自身を除く): 330120608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 80831, 161662, 323324, 404155, 646648, 808310, 1293296, 1374127, 1616620, 2586592, 2748254, 3233240, 5496508, 6466480, 6870635, 10993016, 12932960, 13741270, 21986032, 27482540, 43972064, 54965080, 109930160, 219860320]

約数ペア:

[(1, 219860320), (2, 109930160), (4, 54965080), (5, 43972064), (8, 27482540), (10, 21986032), (16, 13741270), (17, 12932960), (20, 10993016), (32, 6870635), (34, 6466480), (40, 5496508), (68, 3233240), (80, 2748254), (85, 2586592), (136, 1616620), (160, 1374127), (170, 1293296), (272, 808310), (340, 646648), (544, 404155), (680, 323324), (1360, 161662), (2720, 80831)]