2909060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 7620480

約数和(自身を除く): 4711420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1889, 3778, 7556, 9445, 13223, 18890, 20779, 26446, 37780, 41558, 52892, 66115, 83116, 103895, 132230, 145453, 207790, 264460, 290906, 415580, 581812, 727265, 1454530, 2909060]

約数ペア:

[(1, 2909060), (2, 1454530), (4, 727265), (5, 581812), (7, 415580), (10, 290906), (11, 264460), (14, 207790), (20, 145453), (22, 132230), (28, 103895), (35, 83116), (44, 66115), (55, 52892), (70, 41558), (77, 37780), (110, 26446), (140, 20779), (154, 18890), (220, 13223), (308, 9445), (385, 7556), (770, 3778), (1540, 1889)]