217740320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27773}}^1$

素因数の和:27802

約数の個数: 72

約数和(自身を含む): 598418604

約数和(自身を除く): 380678284

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 27773, 55546, 111092, 138865, 194411, 222184, 277730, 388822, 444368, 555460, 777644, 888736, 972055, 1110920, 1360877, 1555288, 1944110, 2221840, 2721754, 3110576, 3888220, 4443680, 5443508, 6221152, 6804385, 7776440, 10887016, 13608770, 15552880, 21774032, 27217540, 31105760, 43548064, 54435080, 108870160, 217740320]

約数ペア:

[(1, 217740320), (2, 108870160), (4, 54435080), (5, 43548064), (7, 31105760), (8, 27217540), (10, 21774032), (14, 15552880), (16, 13608770), (20, 10887016), (28, 7776440), (32, 6804385), (35, 6221152), (40, 5443508), (49, 4443680), (56, 3888220), (70, 3110576), (80, 2721754), (98, 2221840), (112, 1944110), (140, 1555288), (160, 1360877), (196, 1110920), (224, 972055), (245, 888736), (280, 777644), (392, 555460), (490, 444368), (560, 388822), (784, 277730), (980, 222184), (1120, 194411), (1568, 138865), (1960, 111092), (3920, 55546), (7840, 27773)]