1400307280

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{87959}}^1$

素因数の和:88171

約数の個数: 40

約数和(自身を含む): 3272112000

約数和(自身を除く): 1871804720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 87959, 175918, 351836, 439795, 703672, 879590, 1407344, 1759180, 3518360, 7036720, 17503841, 35007682, 70015364, 87519205, 140030728, 175038410, 280061456, 350076820, 700153640, 1400307280]

約数ペア:

[(1, 1400307280), (2, 700153640), (4, 350076820), (5, 280061456), (8, 175038410), (10, 140030728), (16, 87519205), (20, 70015364), (40, 35007682), (80, 17503841), (199, 7036720), (398, 3518360), (796, 1759180), (995, 1407344), (1592, 879590), (1990, 703672), (3184, 439795), (3980, 351836), (7960, 175918), (15920, 87959)]