277560280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{67369}}^1$

素因数の和:67483

約数の個数: 32

約数和(自身を含む): 630583200

約数和(自身を除く): 353022920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 67369, 134738, 269476, 336845, 538952, 673690, 1347380, 2694760, 6939007, 13878014, 27756028, 34695035, 55512056, 69390070, 138780140, 277560280]

約数ペア:

[(1, 277560280), (2, 138780140), (4, 69390070), (5, 55512056), (8, 34695035), (10, 27756028), (20, 13878014), (40, 6939007), (103, 2694760), (206, 1347380), (412, 673690), (515, 538952), (824, 336845), (1030, 269476), (2060, 134738), (4120, 67369)]