189557720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18731}}^1$

素因数の和:18776

約数の個数: 64

約数和(自身を含む): 485533440

約数和(自身を除く): 295975720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 18731, 37462, 74924, 93655, 149848, 187310, 206041, 374620, 412082, 430813, 749240, 824164, 861626, 1030205, 1648328, 1723252, 2060410, 2154065, 3446504, 4120820, 4308130, 4738943, 8241640, 8616260, 9477886, 17232520, 18955772, 23694715, 37911544, 47389430, 94778860, 189557720]

約数ペア:

[(1, 189557720), (2, 94778860), (4, 47389430), (5, 37911544), (8, 23694715), (10, 18955772), (11, 17232520), (20, 9477886), (22, 8616260), (23, 8241640), (40, 4738943), (44, 4308130), (46, 4120820), (55, 3446504), (88, 2154065), (92, 2060410), (110, 1723252), (115, 1648328), (184, 1030205), (220, 861626), (230, 824164), (253, 749240), (440, 430813), (460, 412082), (506, 374620), (920, 206041), (1012, 187310), (1265, 149848), (2024, 93655), (2530, 74924), (5060, 37462), (10120, 18731)]