551457520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{362801}}^1$

素因数の和:362833

約数の個数: 40

約数和(自身を含む): 1349623440

約数和(自身を除く): 798165920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 362801, 725602, 1451204, 1814005, 2902408, 3628010, 5804816, 6893219, 7256020, 13786438, 14512040, 27572876, 29024080, 34466095, 55145752, 68932190, 110291504, 137864380, 275728760, 551457520]

約数ペア:

[(1, 551457520), (2, 275728760), (4, 137864380), (5, 110291504), (8, 68932190), (10, 55145752), (16, 34466095), (19, 29024080), (20, 27572876), (38, 14512040), (40, 13786438), (76, 7256020), (80, 6893219), (95, 5804816), (152, 3628010), (190, 2902408), (304, 1814005), (380, 1451204), (760, 725602), (1520, 362801)]