1285750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 2489760

約数和(自身を除く): 1204010

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 139, 185, 250, 278, 370, 695, 925, 1390, 1850, 3475, 4625, 5143, 6950, 9250, 10286, 17375, 25715, 34750, 51430, 128575, 257150, 642875, 1285750]

約数ペア:

[(1, 1285750), (2, 642875), (5, 257150), (10, 128575), (25, 51430), (37, 34750), (50, 25715), (74, 17375), (125, 10286), (139, 9250), (185, 6950), (250, 5143), (278, 4625), (370, 3475), (695, 1850), (925, 1390)]