31844380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1783}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 71930880

約数和(自身を除く): 40086500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1783, 1786, 3566, 3572, 4465, 7132, 8915, 8930, 17830, 17860, 33877, 35660, 67754, 83801, 135508, 167602, 169385, 335204, 338770, 419005, 677540, 838010, 1592219, 1676020, 3184438, 6368876, 7961095, 15922190, 31844380]

約数ペア:

[(1, 31844380), (2, 15922190), (4, 7961095), (5, 6368876), (10, 3184438), (19, 1676020), (20, 1592219), (38, 838010), (47, 677540), (76, 419005), (94, 338770), (95, 335204), (188, 169385), (190, 167602), (235, 135508), (380, 83801), (470, 67754), (893, 35660), (940, 33877), (1783, 17860), (1786, 17830), (3566, 8930), (3572, 8915), (4465, 7132)]