4742780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1818

約数の個数: 48

約数和(自身を含む): 11988480

約数和(自身を除く): 7245700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1783, 2660, 3566, 7132, 8915, 12481, 17830, 24962, 33877, 35660, 49924, 62405, 67754, 124810, 135508, 169385, 237139, 249620, 338770, 474278, 677540, 948556, 1185695, 2371390, 4742780]

約数ペア:

[(1, 4742780), (2, 2371390), (4, 1185695), (5, 948556), (7, 677540), (10, 474278), (14, 338770), (19, 249620), (20, 237139), (28, 169385), (35, 135508), (38, 124810), (70, 67754), (76, 62405), (95, 49924), (133, 35660), (140, 33877), (190, 24962), (266, 17830), (380, 12481), (532, 8915), (665, 7132), (1330, 3566), (1783, 2660)]