86823950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 165726000

約数和(自身を除く): 78902050

約数列:

[1, 2, 5, 10, 25, 50, 89, 109, 178, 179, 218, 358, 445, 545, 890, 895, 1090, 1790, 2225, 2725, 4450, 4475, 5450, 8950, 9701, 15931, 19402, 19511, 31862, 39022, 48505, 79655, 97010, 97555, 159310, 195110, 242525, 398275, 485050, 487775, 796550, 975550, 1736479, 3472958, 8682395, 17364790, 43411975, 86823950]

約数ペア:

[(1, 86823950), (2, 43411975), (5, 17364790), (10, 8682395), (25, 3472958), (50, 1736479), (89, 975550), (109, 796550), (178, 487775), (179, 485050), (218, 398275), (358, 242525), (445, 195110), (545, 159310), (890, 97555), (895, 97010), (1090, 79655), (1790, 48505), (2225, 39022), (2725, 31862), (4450, 19511), (4475, 19402), (5450, 15931), (8950, 9701)]