217100240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{387679}}^1$

素因数の和:387699

約数の個数: 40

約数和(自身を含む): 576867840

約数和(自身を除く): 359767600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 387679, 775358, 1550716, 1938395, 2713753, 3101432, 3876790, 5427506, 6202864, 7753580, 10855012, 13568765, 15507160, 21710024, 27137530, 31014320, 43420048, 54275060, 108550120, 217100240]

約数ペア:

[(1, 217100240), (2, 108550120), (4, 54275060), (5, 43420048), (7, 31014320), (8, 27137530), (10, 21710024), (14, 15507160), (16, 13568765), (20, 10855012), (28, 7753580), (35, 6202864), (40, 5427506), (56, 3876790), (70, 3101432), (80, 2713753), (112, 1938395), (140, 1550716), (280, 775358), (560, 387679)]