12210800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 120

約数和(自身を含む): 34596000

約数和(自身を除く): 22385200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 89, 98, 100, 112, 140, 175, 178, 196, 200, 245, 280, 343, 350, 356, 392, 400, 445, 490, 560, 623, 686, 700, 712, 784, 890, 980, 1225, 1246, 1372, 1400, 1424, 1715, 1780, 1960, 2225, 2450, 2492, 2744, 2800, 3115, 3430, 3560, 3920, 4361, 4450, 4900, 4984, 5488, 6230, 6860, 7120, 8575, 8722, 8900, 9800, 9968, 12460, 13720, 15575, 17150, 17444, 17800, 19600, 21805, 24920, 27440, 30527, 31150, 34300, 34888, 35600, 43610, 49840, 61054, 62300, 68600, 69776, 87220, 109025, 122108, 124600, 137200, 152635, 174440, 218050, 244216, 249200, 305270, 348880, 436100, 488432, 610540, 763175, 872200, 1221080, 1526350, 1744400, 2442160, 3052700, 6105400, 12210800]

約数ペア:

[(1, 12210800), (2, 6105400), (4, 3052700), (5, 2442160), (7, 1744400), (8, 1526350), (10, 1221080), (14, 872200), (16, 763175), (20, 610540), (25, 488432), (28, 436100), (35, 348880), (40, 305270), (49, 249200), (50, 244216), (56, 218050), (70, 174440), (80, 152635), (89, 137200), (98, 124600), (100, 122108), (112, 109025), (140, 87220), (175, 69776), (178, 68600), (196, 62300), (200, 61054), (245, 49840), (280, 43610), (343, 35600), (350, 34888), (356, 34300), (392, 31150), (400, 30527), (445, 27440), (490, 24920), (560, 21805), (623, 19600), (686, 17800), (700, 17444), (712, 17150), (784, 15575), (890, 13720), (980, 12460), (1225, 9968), (1246, 9800), (1372, 8900), (1400, 8722), (1424, 8575), (1715, 7120), (1780, 6860), (1960, 6230), (2225, 5488), (2450, 4984), (2492, 4900), (2744, 4450), (2800, 4361), (3115, 3920), (3430, 3560)]