1400960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 3672000

約数和(自身を除く): 2271040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 199, 220, 320, 352, 398, 440, 640, 704, 796, 880, 995, 1408, 1592, 1760, 1990, 2189, 3184, 3520, 3980, 4378, 6368, 7040, 7960, 8756, 10945, 12736, 15920, 17512, 21890, 25472, 31840, 35024, 43780, 63680, 70048, 87560, 127360, 140096, 175120, 280192, 350240, 700480, 1400960]

約数ペア:

[(1, 1400960), (2, 700480), (4, 350240), (5, 280192), (8, 175120), (10, 140096), (11, 127360), (16, 87560), (20, 70048), (22, 63680), (32, 43780), (40, 35024), (44, 31840), (55, 25472), (64, 21890), (80, 17512), (88, 15920), (110, 12736), (128, 10945), (160, 8756), (176, 7960), (199, 7040), (220, 6368), (320, 4378), (352, 3980), (398, 3520), (440, 3184), (640, 2189), (704, 1990), (796, 1760), (880, 1592), (995, 1408)]