51100280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 146810880

約数和(自身を除く): 95710600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 353, 376, 385, 440, 470, 517, 616, 658, 706, 770, 940, 1034, 1316, 1412, 1540, 1645, 1765, 1880, 2068, 2471, 2585, 2632, 2824, 3080, 3290, 3530, 3619, 3883, 4136, 4942, 5170, 6580, 7060, 7238, 7766, 9884, 10340, 12355, 13160, 14120, 14476, 15532, 16591, 18095, 19415, 19768, 20680, 24710, 27181, 28952, 31064, 33182, 36190, 38830, 49420, 54362, 66364, 72380, 77660, 82955, 98840, 108724, 116137, 132728, 135905, 144760, 155320, 165910, 182501, 217448, 232274, 271810, 331820, 365002, 464548, 543620, 580685, 663640, 730004, 912505, 929096, 1087240, 1161370, 1277507, 1460008, 1825010, 2322740, 2555014, 3650020, 4645480, 5110028, 6387535, 7300040, 10220056, 12775070, 25550140, 51100280]

約数ペア:

[(1, 51100280), (2, 25550140), (4, 12775070), (5, 10220056), (7, 7300040), (8, 6387535), (10, 5110028), (11, 4645480), (14, 3650020), (20, 2555014), (22, 2322740), (28, 1825010), (35, 1460008), (40, 1277507), (44, 1161370), (47, 1087240), (55, 929096), (56, 912505), (70, 730004), (77, 663640), (88, 580685), (94, 543620), (110, 464548), (140, 365002), (154, 331820), (188, 271810), (220, 232274), (235, 217448), (280, 182501), (308, 165910), (329, 155320), (353, 144760), (376, 135905), (385, 132728), (440, 116137), (470, 108724), (517, 98840), (616, 82955), (658, 77660), (706, 72380), (770, 66364), (940, 54362), (1034, 49420), (1316, 38830), (1412, 36190), (1540, 33182), (1645, 31064), (1765, 28952), (1880, 27181), (2068, 24710), (2471, 20680), (2585, 19768), (2632, 19415), (2824, 18095), (3080, 16591), (3290, 15532), (3530, 14476), (3619, 14120), (3883, 13160), (4136, 12355), (4942, 10340), (5170, 9884), (6580, 7766), (7060, 7238)]