1640251690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{929}}^1\times {\mathrm{2293}}^1$

素因数の和:3247

約数の個数: 64

約数和(自身を含む): 3686549760

約数和(自身を除く): 2046298070

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 929, 1858, 2293, 4586, 4645, 6503, 9290, 10219, 11465, 13006, 16051, 20438, 22930, 25223, 32102, 32515, 50446, 51095, 65030, 71533, 80255, 102190, 126115, 143066, 160510, 176561, 252230, 353122, 357665, 715330, 882805, 1765610, 2130197, 4260394, 10650985, 14911379, 21301970, 23432167, 29822758, 46864334, 74556895, 117160835, 149113790, 164025169, 234321670, 328050338, 820125845, 1640251690]

約数ペア:

[(1, 1640251690), (2, 820125845), (5, 328050338), (7, 234321670), (10, 164025169), (11, 149113790), (14, 117160835), (22, 74556895), (35, 46864334), (55, 29822758), (70, 23432167), (77, 21301970), (110, 14911379), (154, 10650985), (385, 4260394), (770, 2130197), (929, 1765610), (1858, 882805), (2293, 715330), (4586, 357665), (4645, 353122), (6503, 252230), (9290, 176561), (10219, 160510), (11465, 143066), (13006, 126115), (16051, 102190), (20438, 80255), (22930, 71533), (25223, 65030), (32102, 51095), (32515, 50446)]