489031250

素因数分解:

$2^1\times 5^6\times {\mathrm{15649}}^1$

素因数の和:15681

約数の個数: 28

約数和(自身を含む): 916980450

約数和(自身を除く): 427949200

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3125, 6250, 15625, 15649, 31250, 31298, 78245, 156490, 391225, 782450, 1956125, 3912250, 9780625, 19561250, 48903125, 97806250, 244515625, 489031250]

約数ペア:

[(1, 489031250), (2, 244515625), (5, 97806250), (10, 48903125), (25, 19561250), (50, 9780625), (125, 3912250), (250, 1956125), (625, 782450), (1250, 391225), (3125, 156490), (6250, 78245), (15625, 31298), (15649, 31250)]