712500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 72

約数和(自身を含む): 2187360

約数和(自身を除く): 1474860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 625, 750, 950, 1140, 1250, 1425, 1500, 1875, 1900, 2375, 2500, 2850, 3125, 3750, 4750, 5700, 6250, 7125, 7500, 9375, 9500, 11875, 12500, 14250, 18750, 23750, 28500, 35625, 37500, 47500, 59375, 71250, 118750, 142500, 178125, 237500, 356250, 712500]

約数ペア:

[(1, 712500), (2, 356250), (3, 237500), (4, 178125), (5, 142500), (6, 118750), (10, 71250), (12, 59375), (15, 47500), (19, 37500), (20, 35625), (25, 28500), (30, 23750), (38, 18750), (50, 14250), (57, 12500), (60, 11875), (75, 9500), (76, 9375), (95, 7500), (100, 7125), (114, 6250), (125, 5700), (150, 4750), (190, 3750), (228, 3125), (250, 2850), (285, 2500), (300, 2375), (375, 1900), (380, 1875), (475, 1500), (500, 1425), (570, 1250), (625, 1140), (750, 950)]