201664400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{10289}}^1$

素因数の和:10321

約数の個数: 90

約数和(自身を含む): 563655330

約数和(自身を除く): 361990930

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, 4900, 9800, 10289, 19600, 20578, 41156, 51445, 72023, 82312, 102890, 144046, 164624, 205780, 257225, 288092, 360115, 411560, 504161, 514450, 576184, 720230, 823120, 1008322, 1028900, 1152368, 1440460, 1800575, 2016644, 2057800, 2520805, 2880920, 3601150, 4033288, 4115600, 5041610, 5761840, 7202300, 8066576, 10083220, 12604025, 14404600, 20166440, 25208050, 28809200, 40332880, 50416100, 100832200, 201664400]

約数ペア:

[(1, 201664400), (2, 100832200), (4, 50416100), (5, 40332880), (7, 28809200), (8, 25208050), (10, 20166440), (14, 14404600), (16, 12604025), (20, 10083220), (25, 8066576), (28, 7202300), (35, 5761840), (40, 5041610), (49, 4115600), (50, 4033288), (56, 3601150), (70, 2880920), (80, 2520805), (98, 2057800), (100, 2016644), (112, 1800575), (140, 1440460), (175, 1152368), (196, 1028900), (200, 1008322), (245, 823120), (280, 720230), (350, 576184), (392, 514450), (400, 504161), (490, 411560), (560, 360115), (700, 288092), (784, 257225), (980, 205780), (1225, 164624), (1400, 144046), (1960, 102890), (2450, 82312), (2800, 72023), (3920, 51445), (4900, 41156), (9800, 20578), (10289, 19600)]