3994180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 9233280

約数和(自身を除く): 5239100

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 457, 460, 874, 914, 1748, 1828, 2185, 2285, 4370, 4570, 8683, 8740, 9140, 10511, 17366, 21022, 34732, 42044, 43415, 52555, 86830, 105110, 173660, 199709, 210220, 399418, 798836, 998545, 1997090, 3994180]

約数ペア:

[(1, 3994180), (2, 1997090), (4, 998545), (5, 798836), (10, 399418), (19, 210220), (20, 199709), (23, 173660), (38, 105110), (46, 86830), (76, 52555), (92, 43415), (95, 42044), (115, 34732), (190, 21022), (230, 17366), (380, 10511), (437, 9140), (457, 8740), (460, 8683), (874, 4570), (914, 4370), (1748, 2285), (1828, 2185)]