208818400

素因数分解:

$2^5\times 5^2\times 7^3\times {\mathrm{761}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 595274400

約数和(自身を除く): 386456000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 343, 350, 392, 400, 490, 560, 686, 700, 761, 784, 800, 980, 1120, 1225, 1372, 1400, 1522, 1568, 1715, 1960, 2450, 2744, 2800, 3044, 3430, 3805, 3920, 4900, 5327, 5488, 5600, 6088, 6860, 7610, 7840, 8575, 9800, 10654, 10976, 12176, 13720, 15220, 17150, 19025, 19600, 21308, 24352, 26635, 27440, 30440, 34300, 37289, 38050, 39200, 42616, 53270, 54880, 60880, 68600, 74578, 76100, 85232, 106540, 121760, 133175, 137200, 149156, 152200, 170464, 186445, 213080, 261023, 266350, 274400, 298312, 304400, 372890, 426160, 522046, 532700, 596624, 608800, 745780, 852320, 932225, 1044092, 1065400, 1193248, 1305115, 1491560, 1864450, 2088184, 2130800, 2610230, 2983120, 3728900, 4176368, 4261600, 5220460, 5966240, 6525575, 7457800, 8352736, 10440920, 13051150, 14915600, 20881840, 26102300, 29831200, 41763680, 52204600, 104409200, 208818400]

約数ペア:

[(1, 208818400), (2, 104409200), (4, 52204600), (5, 41763680), (7, 29831200), (8, 26102300), (10, 20881840), (14, 14915600), (16, 13051150), (20, 10440920), (25, 8352736), (28, 7457800), (32, 6525575), (35, 5966240), (40, 5220460), (49, 4261600), (50, 4176368), (56, 3728900), (70, 2983120), (80, 2610230), (98, 2130800), (100, 2088184), (112, 1864450), (140, 1491560), (160, 1305115), (175, 1193248), (196, 1065400), (200, 1044092), (224, 932225), (245, 852320), (280, 745780), (343, 608800), (350, 596624), (392, 532700), (400, 522046), (490, 426160), (560, 372890), (686, 304400), (700, 298312), (761, 274400), (784, 266350), (800, 261023), (980, 213080), (1120, 186445), (1225, 170464), (1372, 152200), (1400, 149156), (1522, 137200), (1568, 133175), (1715, 121760), (1960, 106540), (2450, 85232), (2744, 76100), (2800, 74578), (3044, 68600), (3430, 60880), (3805, 54880), (3920, 53270), (4900, 42616), (5327, 39200), (5488, 38050), (5600, 37289), (6088, 34300), (6860, 30440), (7610, 27440), (7840, 26635), (8575, 24352), (9800, 21308), (10654, 19600), (10976, 19025), (12176, 17150), (13720, 15220)]