201890080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{180259}}^1$

素因数の和:180281

約数の個数: 48

約数和(自身を含む): 545106240

約数和(自身を除く): 343216160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 180259, 360518, 721036, 901295, 1261813, 1442072, 1802590, 2523626, 2884144, 3605180, 5047252, 5768288, 6309065, 7210360, 10094504, 12618130, 14420720, 20189008, 25236260, 28841440, 40378016, 50472520, 100945040, 201890080]

約数ペア:

[(1, 201890080), (2, 100945040), (4, 50472520), (5, 40378016), (7, 28841440), (8, 25236260), (10, 20189008), (14, 14420720), (16, 12618130), (20, 10094504), (28, 7210360), (32, 6309065), (35, 5768288), (40, 5047252), (56, 3605180), (70, 2884144), (80, 2523626), (112, 1802590), (140, 1442072), (160, 1261813), (224, 901295), (280, 721036), (560, 360518), (1120, 180259)]