388158400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{4951}}^1$

素因数の和:4987

約数の個数: 126

約数和(自身を含む): 1111273368

約数和(自身を除く): 723114968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1600, 1960, 2240, 2450, 2800, 3136, 3920, 4900, 4951, 5600, 7840, 9800, 9902, 11200, 15680, 19600, 19804, 24755, 34657, 39200, 39608, 49510, 69314, 78400, 79216, 99020, 123775, 138628, 158432, 173285, 198040, 242599, 247550, 277256, 316864, 346570, 396080, 485198, 495100, 554512, 693140, 792160, 866425, 970396, 990200, 1109024, 1212995, 1386280, 1584320, 1732850, 1940792, 1980400, 2218048, 2425990, 2772560, 3465700, 3881584, 3960800, 4851980, 5545120, 6064975, 6931400, 7763168, 7921600, 9703960, 11090240, 12129950, 13862800, 15526336, 19407920, 24259900, 27725600, 38815840, 48519800, 55451200, 77631680, 97039600, 194079200, 388158400]

約数ペア:

[(1, 388158400), (2, 194079200), (4, 97039600), (5, 77631680), (7, 55451200), (8, 48519800), (10, 38815840), (14, 27725600), (16, 24259900), (20, 19407920), (25, 15526336), (28, 13862800), (32, 12129950), (35, 11090240), (40, 9703960), (49, 7921600), (50, 7763168), (56, 6931400), (64, 6064975), (70, 5545120), (80, 4851980), (98, 3960800), (100, 3881584), (112, 3465700), (140, 2772560), (160, 2425990), (175, 2218048), (196, 1980400), (200, 1940792), (224, 1732850), (245, 1584320), (280, 1386280), (320, 1212995), (350, 1109024), (392, 990200), (400, 970396), (448, 866425), (490, 792160), (560, 693140), (700, 554512), (784, 495100), (800, 485198), (980, 396080), (1120, 346570), (1225, 316864), (1400, 277256), (1568, 247550), (1600, 242599), (1960, 198040), (2240, 173285), (2450, 158432), (2800, 138628), (3136, 123775), (3920, 99020), (4900, 79216), (4951, 78400), (5600, 69314), (7840, 49510), (9800, 39608), (9902, 39200), (11200, 34657), (15680, 24755), (19600, 19804)]