209224480

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8329}}^1$

素因数の和:8501

約数の個数: 48

約数和(自身を含む): 497500920

約数和(自身を除く): 288276440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 8329, 12560, 16658, 25120, 33316, 41645, 66632, 83290, 133264, 166580, 266528, 333160, 666320, 1307653, 1332640, 2615306, 5230612, 6538265, 10461224, 13076530, 20922448, 26153060, 41844896, 52306120, 104612240, 209224480]

約数ペア:

[(1, 209224480), (2, 104612240), (4, 52306120), (5, 41844896), (8, 26153060), (10, 20922448), (16, 13076530), (20, 10461224), (32, 6538265), (40, 5230612), (80, 2615306), (157, 1332640), (160, 1307653), (314, 666320), (628, 333160), (785, 266528), (1256, 166580), (1570, 133264), (2512, 83290), (3140, 66632), (5024, 41645), (6280, 33316), (8329, 25120), (12560, 16658)]