198499000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4086

約数の個数: 96

約数和(自身を含む): 540455760

約数和(自身を除く): 341956760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 700, 875, 980, 1000, 1225, 1400, 1750, 1960, 2450, 3500, 4051, 4900, 6125, 7000, 8102, 9800, 12250, 16204, 20255, 24500, 28357, 32408, 40510, 49000, 56714, 81020, 101275, 113428, 141785, 162040, 198499, 202550, 226856, 283570, 396998, 405100, 506375, 567140, 708925, 793996, 810200, 992495, 1012750, 1134280, 1417850, 1587992, 1984990, 2025500, 2835700, 3544625, 3969980, 4051000, 4962475, 5671400, 7089250, 7939960, 9924950, 14178500, 19849900, 24812375, 28357000, 39699800, 49624750, 99249500, 198499000]

約数ペア:

[(1, 198499000), (2, 99249500), (4, 49624750), (5, 39699800), (7, 28357000), (8, 24812375), (10, 19849900), (14, 14178500), (20, 9924950), (25, 7939960), (28, 7089250), (35, 5671400), (40, 4962475), (49, 4051000), (50, 3969980), (56, 3544625), (70, 2835700), (98, 2025500), (100, 1984990), (125, 1587992), (140, 1417850), (175, 1134280), (196, 1012750), (200, 992495), (245, 810200), (250, 793996), (280, 708925), (350, 567140), (392, 506375), (490, 405100), (500, 396998), (700, 283570), (875, 226856), (980, 202550), (1000, 198499), (1225, 162040), (1400, 141785), (1750, 113428), (1960, 101275), (2450, 81020), (3500, 56714), (4051, 49000), (4900, 40510), (6125, 32408), (7000, 28357), (8102, 24500), (9800, 20255), (12250, 16204)]