2094980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 4587660

約数和(自身を除く): 2492680

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 961, 1090, 1922, 2180, 3379, 3844, 4805, 6758, 9610, 13516, 16895, 19220, 33790, 67580, 104749, 209498, 418996, 523745, 1047490, 2094980]

約数ペア:

[(1, 2094980), (2, 1047490), (4, 523745), (5, 418996), (10, 209498), (20, 104749), (31, 67580), (62, 33790), (109, 19220), (124, 16895), (155, 13516), (218, 9610), (310, 6758), (436, 4805), (545, 3844), (620, 3379), (961, 2180), (1090, 1922)]