128416400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{45863}}^1$

素因数の和:45888

約数の個数: 60

約数和(自身を含む): 352602432

約数和(自身を除く): 224186032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 45863, 91726, 183452, 229315, 321041, 366904, 458630, 642082, 733808, 917260, 1146575, 1284164, 1605205, 1834520, 2293150, 2568328, 3210410, 3669040, 4586300, 5136656, 6420820, 8026025, 9172600, 12841640, 16052050, 18345200, 25683280, 32104100, 64208200, 128416400]

約数ペア:

[(1, 128416400), (2, 64208200), (4, 32104100), (5, 25683280), (7, 18345200), (8, 16052050), (10, 12841640), (14, 9172600), (16, 8026025), (20, 6420820), (25, 5136656), (28, 4586300), (35, 3669040), (40, 3210410), (50, 2568328), (56, 2293150), (70, 1834520), (80, 1605205), (100, 1284164), (112, 1146575), (140, 917260), (175, 733808), (200, 642082), (280, 458630), (350, 366904), (400, 321041), (560, 229315), (700, 183452), (1400, 91726), (2800, 45863)]