222880

素因数分解:

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

素因数の和:221

約数の個数: 48

約数和(自身を含む): 604800

約数和(自身を除く): 381920

約数列:

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

約数ペア:

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