213197519440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1451}}^1\times {\mathrm{49639}}^1$

素因数の和:51140

約数の個数: 80

約数和(自身を含む): 509442215040

約数和(自身を除く): 296244695600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1451, 1480, 2902, 2960, 5804, 7255, 11608, 14510, 23216, 29020, 49639, 53687, 58040, 99278, 107374, 116080, 198556, 214748, 248195, 268435, 397112, 429496, 496390, 536870, 794224, 858992, 992780, 1073740, 1836643, 1985560, 2147480, 3673286, 3971120, 4294960, 7346572, 9183215, 14693144, 18366430, 29386288, 36732860, 72026189, 73465720, 144052378, 146931440, 288104756, 360130945, 576209512, 720261890, 1152419024, 1440523780, 2664968993, 2881047560, 5329937986, 5762095120, 10659875972, 13324844965, 21319751944, 26649689930, 42639503888, 53299379860, 106598759720, 213197519440]

約数ペア:

[(1, 213197519440), (2, 106598759720), (4, 53299379860), (5, 42639503888), (8, 26649689930), (10, 21319751944), (16, 13324844965), (20, 10659875972), (37, 5762095120), (40, 5329937986), (74, 2881047560), (80, 2664968993), (148, 1440523780), (185, 1152419024), (296, 720261890), (370, 576209512), (592, 360130945), (740, 288104756), (1451, 146931440), (1480, 144052378), (2902, 73465720), (2960, 72026189), (5804, 36732860), (7255, 29386288), (11608, 18366430), (14510, 14693144), (23216, 9183215), (29020, 7346572), (49639, 4294960), (53687, 3971120), (58040, 3673286), (99278, 2147480), (107374, 1985560), (116080, 1836643), (198556, 1073740), (214748, 992780), (248195, 858992), (268435, 794224), (397112, 536870), (429496, 496390)]