1219329220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{2393}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 2604193200

約数和(自身を除く): 1384863980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 349, 365, 698, 730, 1396, 1460, 1745, 2393, 3490, 4786, 6980, 9572, 11965, 23930, 25477, 47860, 50954, 101908, 127385, 174689, 254770, 349378, 509540, 698756, 835157, 873445, 1670314, 1746890, 3340628, 3493780, 4175785, 8351570, 16703140, 60966461, 121932922, 243865844, 304832305, 609664610, 1219329220]

約数ペア:

[(1, 1219329220), (2, 609664610), (4, 304832305), (5, 243865844), (10, 121932922), (20, 60966461), (73, 16703140), (146, 8351570), (292, 4175785), (349, 3493780), (365, 3340628), (698, 1746890), (730, 1670314), (1396, 873445), (1460, 835157), (1745, 698756), (2393, 509540), (3490, 349378), (4786, 254770), (6980, 174689), (9572, 127385), (11965, 101908), (23930, 50954), (25477, 47860)]