78929200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{4027}}^1$

素因数の和:4059

約数の個数: 90

約数和(自身を含む): 220641756

約数和(自身を除く): 141712556

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4027, 4900, 8054, 9800, 16108, 19600, 20135, 28189, 32216, 40270, 56378, 64432, 80540, 100675, 112756, 140945, 161080, 197323, 201350, 225512, 281890, 322160, 394646, 402700, 451024, 563780, 704725, 789292, 805400, 986615, 1127560, 1409450, 1578584, 1610800, 1973230, 2255120, 2818900, 3157168, 3946460, 4933075, 5637800, 7892920, 9866150, 11275600, 15785840, 19732300, 39464600, 78929200]

約数ペア:

[(1, 78929200), (2, 39464600), (4, 19732300), (5, 15785840), (7, 11275600), (8, 9866150), (10, 7892920), (14, 5637800), (16, 4933075), (20, 3946460), (25, 3157168), (28, 2818900), (35, 2255120), (40, 1973230), (49, 1610800), (50, 1578584), (56, 1409450), (70, 1127560), (80, 986615), (98, 805400), (100, 789292), (112, 704725), (140, 563780), (175, 451024), (196, 402700), (200, 394646), (245, 322160), (280, 281890), (350, 225512), (392, 201350), (400, 197323), (490, 161080), (560, 140945), (700, 112756), (784, 100675), (980, 80540), (1225, 64432), (1400, 56378), (1960, 40270), (2450, 32216), (2800, 28189), (3920, 20135), (4027, 19600), (4900, 16108), (8054, 9800)]