78124850

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 150258240

約数和(自身を除く): 72133390

約数列:

[1, 2, 5, 10, 25, 50, 59, 71, 118, 142, 295, 355, 373, 590, 710, 746, 1475, 1775, 1865, 2950, 3550, 3730, 4189, 8378, 9325, 18650, 20945, 22007, 26483, 41890, 44014, 52966, 104725, 110035, 132415, 209450, 220070, 264830, 550175, 662075, 1100350, 1324150, 1562497, 3124994, 7812485, 15624970, 39062425, 78124850]

約数ペア:

[(1, 78124850), (2, 39062425), (5, 15624970), (10, 7812485), (25, 3124994), (50, 1562497), (59, 1324150), (71, 1100350), (118, 662075), (142, 550175), (295, 264830), (355, 220070), (373, 209450), (590, 132415), (710, 110035), (746, 104725), (1475, 52966), (1775, 44014), (1865, 41890), (2950, 26483), (3550, 22007), (3730, 20945), (4189, 18650), (8378, 9325)]