20190000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{673}}^1$

素因数の和:704

約数の個数: 100

約数和(自身を含む): 65272856

約数和(自身を除く): 45082856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 673, 750, 1000, 1200, 1250, 1346, 1500, 1875, 2000, 2019, 2500, 2692, 3000, 3365, 3750, 4038, 5000, 5384, 6000, 6730, 7500, 8076, 10000, 10095, 10768, 13460, 15000, 16152, 16825, 20190, 26920, 30000, 32304, 33650, 40380, 50475, 53840, 67300, 80760, 84125, 100950, 134600, 161520, 168250, 201900, 252375, 269200, 336500, 403800, 420625, 504750, 673000, 807600, 841250, 1009500, 1261875, 1346000, 1682500, 2019000, 2523750, 3365000, 4038000, 5047500, 6730000, 10095000, 20190000]

約数ペア:

[(1, 20190000), (2, 10095000), (3, 6730000), (4, 5047500), (5, 4038000), (6, 3365000), (8, 2523750), (10, 2019000), (12, 1682500), (15, 1346000), (16, 1261875), (20, 1009500), (24, 841250), (25, 807600), (30, 673000), (40, 504750), (48, 420625), (50, 403800), (60, 336500), (75, 269200), (80, 252375), (100, 201900), (120, 168250), (125, 161520), (150, 134600), (200, 100950), (240, 84125), (250, 80760), (300, 67300), (375, 53840), (400, 50475), (500, 40380), (600, 33650), (625, 32304), (673, 30000), (750, 26920), (1000, 20190), (1200, 16825), (1250, 16152), (1346, 15000), (1500, 13460), (1875, 10768), (2000, 10095), (2019, 10000), (2500, 8076), (2692, 7500), (3000, 6730), (3365, 6000), (3750, 5384), (4038, 5000)]