960400

素因数分解:

$2^4\times 5^2\times 7^4$

素因数の和:46

約数の個数: 75

約数和(自身を含む): 2691761

約数和(自身を除く): 1731361

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, 343, 350, 392, 400, 490, 560, 686, 700, 784, 980, 1225, 1372, 1400, 1715, 1960, 2401, 2450, 2744, 2800, 3430, 3920, 4802, 4900, 5488, 6860, 8575, 9604, 9800, 12005, 13720, 17150, 19208, 19600, 24010, 27440, 34300, 38416, 48020, 60025, 68600, 96040, 120050, 137200, 192080, 240100, 480200, 960400]

約数ペア:

[(1, 960400), (2, 480200), (4, 240100), (5, 192080), (7, 137200), (8, 120050), (10, 96040), (14, 68600), (16, 60025), (20, 48020), (25, 38416), (28, 34300), (35, 27440), (40, 24010), (49, 19600), (50, 19208), (56, 17150), (70, 13720), (80, 12005), (98, 9800), (100, 9604), (112, 8575), (140, 6860), (175, 5488), (196, 4900), (200, 4802), (245, 3920), (280, 3430), (343, 2800), (350, 2744), (392, 2450), (400, 2401), (490, 1960), (560, 1715), (686, 1400), (700, 1372), (784, 1225)]