2137500

素因数分解:

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

素因数の和:54

約数の個数: 108

約数和(自身を含む): 7108920

約数和(自身を除く): 4971420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 125, 150, 171, 180, 190, 225, 228, 250, 285, 300, 342, 375, 380, 450, 475, 500, 570, 625, 684, 750, 855, 900, 950, 1125, 1140, 1250, 1425, 1500, 1710, 1875, 1900, 2250, 2375, 2500, 2850, 3125, 3420, 3750, 4275, 4500, 4750, 5625, 5700, 6250, 7125, 7500, 8550, 9375, 9500, 11250, 11875, 12500, 14250, 17100, 18750, 21375, 22500, 23750, 28125, 28500, 35625, 37500, 42750, 47500, 56250, 59375, 71250, 85500, 106875, 112500, 118750, 142500, 178125, 213750, 237500, 356250, 427500, 534375, 712500, 1068750, 2137500]

約数ペア:

[(1, 2137500), (2, 1068750), (3, 712500), (4, 534375), (5, 427500), (6, 356250), (9, 237500), (10, 213750), (12, 178125), (15, 142500), (18, 118750), (19, 112500), (20, 106875), (25, 85500), (30, 71250), (36, 59375), (38, 56250), (45, 47500), (50, 42750), (57, 37500), (60, 35625), (75, 28500), (76, 28125), (90, 23750), (95, 22500), (100, 21375), (114, 18750), (125, 17100), (150, 14250), (171, 12500), (180, 11875), (190, 11250), (225, 9500), (228, 9375), (250, 8550), (285, 7500), (300, 7125), (342, 6250), (375, 5700), (380, 5625), (450, 4750), (475, 4500), (500, 4275), (570, 3750), (625, 3420), (684, 3125), (750, 2850), (855, 2500), (900, 2375), (950, 2250), (1125, 1900), (1140, 1875), (1250, 1710), (1425, 1500)]