243882520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4513}}^1$

素因数の和:4724

約数の個数: 64

約数和(自身を含む): 630515520

約数和(自身を除く): 386633000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1351, 1544, 1930, 2702, 3860, 4513, 5404, 6755, 7720, 9026, 10808, 13510, 18052, 22565, 27020, 31591, 36104, 45130, 54040, 63182, 90260, 126364, 157955, 180520, 252728, 315910, 631820, 871009, 1263640, 1742018, 3484036, 4355045, 6097063, 6968072, 8710090, 12194126, 17420180, 24388252, 30485315, 34840360, 48776504, 60970630, 121941260, 243882520]

約数ペア:

[(1, 243882520), (2, 121941260), (4, 60970630), (5, 48776504), (7, 34840360), (8, 30485315), (10, 24388252), (14, 17420180), (20, 12194126), (28, 8710090), (35, 6968072), (40, 6097063), (56, 4355045), (70, 3484036), (140, 1742018), (193, 1263640), (280, 871009), (386, 631820), (772, 315910), (965, 252728), (1351, 180520), (1544, 157955), (1930, 126364), (2702, 90260), (3860, 63182), (4513, 54040), (5404, 45130), (6755, 36104), (7720, 31591), (9026, 27020), (10808, 22565), (13510, 18052)]