17938900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{523}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 45483200

約数和(自身を除く): 27544300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 523, 686, 700, 980, 1046, 1225, 1372, 1715, 2092, 2450, 2615, 3430, 3661, 4900, 5230, 6860, 7322, 8575, 10460, 13075, 14644, 17150, 18305, 25627, 26150, 34300, 36610, 51254, 52300, 73220, 91525, 102508, 128135, 179389, 183050, 256270, 358778, 366100, 512540, 640675, 717556, 896945, 1281350, 1793890, 2562700, 3587780, 4484725, 8969450, 17938900]

約数ペア:

[(1, 17938900), (2, 8969450), (4, 4484725), (5, 3587780), (7, 2562700), (10, 1793890), (14, 1281350), (20, 896945), (25, 717556), (28, 640675), (35, 512540), (49, 366100), (50, 358778), (70, 256270), (98, 183050), (100, 179389), (140, 128135), (175, 102508), (196, 91525), (245, 73220), (343, 52300), (350, 51254), (490, 36610), (523, 34300), (686, 26150), (700, 25627), (980, 18305), (1046, 17150), (1225, 14644), (1372, 13075), (1715, 10460), (2092, 8575), (2450, 7322), (2615, 6860), (3430, 5230), (3661, 4900)]