2174480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 6321024

約数和(自身を除く): 4146544

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 353, 385, 440, 560, 616, 706, 770, 880, 1232, 1412, 1540, 1765, 2471, 2824, 3080, 3530, 3883, 4942, 5648, 6160, 7060, 7766, 9884, 12355, 14120, 15532, 19415, 19768, 24710, 27181, 28240, 31064, 38830, 39536, 49420, 54362, 62128, 77660, 98840, 108724, 135905, 155320, 197680, 217448, 271810, 310640, 434896, 543620, 1087240, 2174480]

約数ペア:

[(1, 2174480), (2, 1087240), (4, 543620), (5, 434896), (7, 310640), (8, 271810), (10, 217448), (11, 197680), (14, 155320), (16, 135905), (20, 108724), (22, 98840), (28, 77660), (35, 62128), (40, 54362), (44, 49420), (55, 39536), (56, 38830), (70, 31064), (77, 28240), (80, 27181), (88, 24710), (110, 19768), (112, 19415), (140, 15532), (154, 14120), (176, 12355), (220, 9884), (280, 7766), (308, 7060), (353, 6160), (385, 5648), (440, 4942), (560, 3883), (616, 3530), (706, 3080), (770, 2824), (880, 2471), (1232, 1765), (1412, 1540)]