199821000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1616

約数の個数: 128

約数和(自身を含む): 638352000

約数和(自身を除く): 438531000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 129, 150, 172, 200, 215, 250, 258, 300, 344, 375, 430, 500, 516, 600, 645, 750, 860, 1000, 1032, 1075, 1290, 1500, 1549, 1720, 2150, 2580, 3000, 3098, 3225, 4300, 4647, 5160, 5375, 6196, 6450, 7745, 8600, 9294, 10750, 12392, 12900, 15490, 16125, 18588, 21500, 23235, 25800, 30980, 32250, 37176, 38725, 43000, 46470, 61960, 64500, 66607, 77450, 92940, 116175, 129000, 133214, 154900, 185880, 193625, 199821, 232350, 266428, 309800, 333035, 387250, 399642, 464700, 532856, 580875, 666070, 774500, 799284, 929400, 999105, 1161750, 1332140, 1549000, 1598568, 1665175, 1998210, 2323500, 2664280, 3330350, 3996420, 4647000, 4995525, 6660700, 7992840, 8325875, 9991050, 13321400, 16651750, 19982100, 24977625, 33303500, 39964200, 49955250, 66607000, 99910500, 199821000]

約数ペア:

[(1, 199821000), (2, 99910500), (3, 66607000), (4, 49955250), (5, 39964200), (6, 33303500), (8, 24977625), (10, 19982100), (12, 16651750), (15, 13321400), (20, 9991050), (24, 8325875), (25, 7992840), (30, 6660700), (40, 4995525), (43, 4647000), (50, 3996420), (60, 3330350), (75, 2664280), (86, 2323500), (100, 1998210), (120, 1665175), (125, 1598568), (129, 1549000), (150, 1332140), (172, 1161750), (200, 999105), (215, 929400), (250, 799284), (258, 774500), (300, 666070), (344, 580875), (375, 532856), (430, 464700), (500, 399642), (516, 387250), (600, 333035), (645, 309800), (750, 266428), (860, 232350), (1000, 199821), (1032, 193625), (1075, 185880), (1290, 154900), (1500, 133214), (1549, 129000), (1720, 116175), (2150, 92940), (2580, 77450), (3000, 66607), (3098, 64500), (3225, 61960), (4300, 46470), (4647, 43000), (5160, 38725), (5375, 37176), (6196, 32250), (6450, 30980), (7745, 25800), (8600, 23235), (9294, 21500), (10750, 18588), (12392, 16125), (12900, 15490)]