445760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:223

約数の個数: 56

約数和(自身を含む): 1219200

約数和(自身を除く): 773440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 560, 796, 995, 1120, 1393, 1592, 1990, 2240, 2786, 3184, 3980, 5572, 6368, 6965, 7960, 11144, 12736, 13930, 15920, 22288, 27860, 31840, 44576, 55720, 63680, 89152, 111440, 222880, 445760]

約数ペア:

[(1, 445760), (2, 222880), (4, 111440), (5, 89152), (7, 63680), (8, 55720), (10, 44576), (14, 31840), (16, 27860), (20, 22288), (28, 15920), (32, 13930), (35, 12736), (40, 11144), (56, 7960), (64, 6965), (70, 6368), (80, 5572), (112, 3980), (140, 3184), (160, 2786), (199, 2240), (224, 1990), (280, 1592), (320, 1393), (398, 1120), (448, 995), (560, 796)]