1187500

素因数分解:

$2^2\times 5^6\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 42

約数和(自身を含む): 2734340

約数和(自身を除く): 1546840

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 625, 950, 1250, 1900, 2375, 2500, 3125, 4750, 6250, 9500, 11875, 12500, 15625, 23750, 31250, 47500, 59375, 62500, 118750, 237500, 296875, 593750, 1187500]

約数ペア:

[(1, 1187500), (2, 593750), (4, 296875), (5, 237500), (10, 118750), (19, 62500), (20, 59375), (25, 47500), (38, 31250), (50, 23750), (76, 15625), (95, 12500), (100, 11875), (125, 9500), (190, 6250), (250, 4750), (380, 3125), (475, 2500), (500, 2375), (625, 1900), (950, 1250)]