315481900

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{12569}}^1$

素因数の和:12834

約数の個数: 36

約数和(自身を含む): 687377880

約数和(自身を除く): 371895980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 1004, 1255, 2510, 5020, 6275, 12550, 12569, 25100, 25138, 50276, 62845, 125690, 251380, 314225, 628450, 1256900, 3154819, 6309638, 12619276, 15774095, 31548190, 63096380, 78870475, 157740950, 315481900]

約数ペア:

[(1, 315481900), (2, 157740950), (4, 78870475), (5, 63096380), (10, 31548190), (20, 15774095), (25, 12619276), (50, 6309638), (100, 3154819), (251, 1256900), (502, 628450), (1004, 314225), (1255, 251380), (2510, 125690), (5020, 62845), (6275, 50276), (12550, 25138), (12569, 25100)]