3985520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 11570688

約数和(自身を除く): 7585168

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, 385, 440, 560, 616, 647, 770, 880, 1232, 1294, 1540, 2588, 3080, 3235, 4529, 5176, 6160, 6470, 7117, 9058, 10352, 12940, 14234, 18116, 22645, 25880, 28468, 35585, 36232, 45290, 49819, 51760, 56936, 71170, 72464, 90580, 99638, 113872, 142340, 181160, 199276, 249095, 284680, 362320, 398552, 498190, 569360, 797104, 996380, 1992760, 3985520]

約数ペア:

[(1, 3985520), (2, 1992760), (4, 996380), (5, 797104), (7, 569360), (8, 498190), (10, 398552), (11, 362320), (14, 284680), (16, 249095), (20, 199276), (22, 181160), (28, 142340), (35, 113872), (40, 99638), (44, 90580), (55, 72464), (56, 71170), (70, 56936), (77, 51760), (80, 49819), (88, 45290), (110, 36232), (112, 35585), (140, 28468), (154, 25880), (176, 22645), (220, 18116), (280, 14234), (308, 12940), (385, 10352), (440, 9058), (560, 7117), (616, 6470), (647, 6160), (770, 5176), (880, 4529), (1232, 3235), (1294, 3080), (1540, 2588)]