7406840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{3779}}^1$

素因数の和:3804

約数の個数: 48

約数和(自身を含む): 19391400

約数和(自身を除く): 11984560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 3779, 7558, 15116, 18895, 26453, 30232, 37790, 52906, 75580, 105812, 132265, 151160, 185171, 211624, 264530, 370342, 529060, 740684, 925855, 1058120, 1481368, 1851710, 3703420, 7406840]

約数ペア:

[(1, 7406840), (2, 3703420), (4, 1851710), (5, 1481368), (7, 1058120), (8, 925855), (10, 740684), (14, 529060), (20, 370342), (28, 264530), (35, 211624), (40, 185171), (49, 151160), (56, 132265), (70, 105812), (98, 75580), (140, 52906), (196, 37790), (245, 30232), (280, 26453), (392, 18895), (490, 15116), (980, 7558), (1960, 3779)]