339974270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 656916480

約数和(自身を除く): 316942210

約数列:

[1, 2, 5, 10, 23, 46, 71, 109, 115, 142, 191, 218, 230, 355, 382, 545, 710, 955, 1090, 1633, 1910, 2507, 3266, 4393, 5014, 7739, 8165, 8786, 12535, 13561, 15478, 16330, 20819, 21965, 25070, 27122, 38695, 41638, 43930, 67805, 77390, 104095, 135610, 177997, 208190, 311903, 355994, 478837, 623806, 889985, 957674, 1478149, 1559515, 1779970, 2394185, 2956298, 3119030, 4788370, 7390745, 14781490, 33997427, 67994854, 169987135, 339974270]

約数ペア:

[(1, 339974270), (2, 169987135), (5, 67994854), (10, 33997427), (23, 14781490), (46, 7390745), (71, 4788370), (109, 3119030), (115, 2956298), (142, 2394185), (191, 1779970), (218, 1559515), (230, 1478149), (355, 957674), (382, 889985), (545, 623806), (710, 478837), (955, 355994), (1090, 311903), (1633, 208190), (1910, 177997), (2507, 135610), (3266, 104095), (4393, 77390), (5014, 67805), (7739, 43930), (8165, 41638), (8786, 38695), (12535, 27122), (13561, 25070), (15478, 21965), (16330, 20819)]