198199000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4285

約数の個数: 64

約数和(自身を含む): 473765760

約数和(自身を除く): 275566760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 940, 1000, 1175, 1880, 2350, 4217, 4700, 5875, 8434, 9400, 11750, 16868, 21085, 23500, 33736, 42170, 47000, 84340, 105425, 168680, 198199, 210850, 396398, 421700, 527125, 792796, 843400, 990995, 1054250, 1585592, 1981990, 2108500, 3963980, 4217000, 4954975, 7927960, 9909950, 19819900, 24774875, 39639800, 49549750, 99099500, 198199000]

約数ペア:

[(1, 198199000), (2, 99099500), (4, 49549750), (5, 39639800), (8, 24774875), (10, 19819900), (20, 9909950), (25, 7927960), (40, 4954975), (47, 4217000), (50, 3963980), (94, 2108500), (100, 1981990), (125, 1585592), (188, 1054250), (200, 990995), (235, 843400), (250, 792796), (376, 527125), (470, 421700), (500, 396398), (940, 210850), (1000, 198199), (1175, 168680), (1880, 105425), (2350, 84340), (4217, 47000), (4700, 42170), (5875, 33736), (8434, 23500), (9400, 21085), (11750, 16868)]