2170840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7753}}^1$

素因数の和:7771

約数の個数: 32

約数和(自身を含む): 5582880

約数和(自身を除く): 3412040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7753, 15506, 31012, 38765, 54271, 62024, 77530, 108542, 155060, 217084, 271355, 310120, 434168, 542710, 1085420, 2170840]

約数ペア:

[(1, 2170840), (2, 1085420), (4, 542710), (5, 434168), (7, 310120), (8, 271355), (10, 217084), (14, 155060), (20, 108542), (28, 77530), (35, 62024), (40, 54271), (56, 38765), (70, 31012), (140, 15506), (280, 7753)]