263438202350

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2789}}^1\times {\mathrm{18341}}^1$

素因数の和:21245

約数の個数: 48

約数和(自身を含む): 494956668960

約数和(自身を除く): 231518466610

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 515, 1030, 2575, 2789, 5150, 5578, 13945, 18341, 27890, 36682, 69725, 91705, 139450, 183410, 287267, 458525, 574534, 917050, 1436335, 1889123, 2872670, 3778246, 7181675, 9445615, 14363350, 18891230, 47228075, 51153049, 94456150, 102306098, 255765245, 511530490, 1278826225, 2557652450, 5268764047, 10537528094, 26343820235, 52687640470, 131719101175, 263438202350]

約数ペア:

[(1, 263438202350), (2, 131719101175), (5, 52687640470), (10, 26343820235), (25, 10537528094), (50, 5268764047), (103, 2557652450), (206, 1278826225), (515, 511530490), (1030, 255765245), (2575, 102306098), (2789, 94456150), (5150, 51153049), (5578, 47228075), (13945, 18891230), (18341, 14363350), (27890, 9445615), (36682, 7181675), (69725, 3778246), (91705, 2872670), (139450, 1889123), (183410, 1436335), (287267, 917050), (458525, 574534)]