7131846040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{67819}}^1$

素因数の和:68080

約数の個数: 64

約数和(自身を含む): 17578944000

約数和(自身を除く): 10447097960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 956, 1195, 1912, 2390, 2629, 4780, 5258, 9560, 10516, 13145, 21032, 26290, 52580, 67819, 105160, 135638, 271276, 339095, 542552, 678190, 746009, 1356380, 1492018, 2712760, 2984036, 3730045, 5968072, 7460090, 14920180, 16208741, 29840360, 32417482, 64834964, 81043705, 129669928, 162087410, 178296151, 324174820, 356592302, 648349640, 713184604, 891480755, 1426369208, 1782961510, 3565923020, 7131846040]

約数ペア:

[(1, 7131846040), (2, 3565923020), (4, 1782961510), (5, 1426369208), (8, 891480755), (10, 713184604), (11, 648349640), (20, 356592302), (22, 324174820), (40, 178296151), (44, 162087410), (55, 129669928), (88, 81043705), (110, 64834964), (220, 32417482), (239, 29840360), (440, 16208741), (478, 14920180), (956, 7460090), (1195, 5968072), (1912, 3730045), (2390, 2984036), (2629, 2712760), (4780, 1492018), (5258, 1356380), (9560, 746009), (10516, 678190), (13145, 542552), (21032, 339095), (26290, 271276), (52580, 135638), (67819, 105160)]