800853500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{193}}^2$

素因数の和:448

約数の個数: 72

約数和(自身を含む): 1799061264

約数和(自身を除く): 998207764

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 193, 215, 250, 386, 430, 500, 772, 860, 965, 1075, 1930, 2150, 3860, 4300, 4825, 5375, 8299, 9650, 10750, 16598, 19300, 21500, 24125, 33196, 37249, 41495, 48250, 74498, 82990, 96500, 148996, 165980, 186245, 207475, 372490, 414950, 744980, 829900, 931225, 1037375, 1601707, 1862450, 2074750, 3203414, 3724900, 4149500, 4656125, 6406828, 8008535, 9312250, 16017070, 18624500, 32034140, 40042675, 80085350, 160170700, 200213375, 400426750, 800853500]

約数ペア:

[(1, 800853500), (2, 400426750), (4, 200213375), (5, 160170700), (10, 80085350), (20, 40042675), (25, 32034140), (43, 18624500), (50, 16017070), (86, 9312250), (100, 8008535), (125, 6406828), (172, 4656125), (193, 4149500), (215, 3724900), (250, 3203414), (386, 2074750), (430, 1862450), (500, 1601707), (772, 1037375), (860, 931225), (965, 829900), (1075, 744980), (1930, 414950), (2150, 372490), (3860, 207475), (4300, 186245), (4825, 165980), (5375, 148996), (8299, 96500), (9650, 82990), (10750, 74498), (16598, 48250), (19300, 41495), (21500, 37249), (24125, 33196)]