1640147710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{433}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 3167797248

約数和(自身を除く): 1527649538

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 383, 430, 433, 766, 866, 989, 1915, 1978, 2165, 3830, 4330, 4945, 8809, 9890, 9959, 16469, 17618, 18619, 19918, 32938, 37238, 44045, 49795, 82345, 88090, 93095, 99590, 164690, 165839, 186190, 331678, 378787, 428237, 757574, 829195, 856474, 1658390, 1893935, 2141185, 3787870, 3814297, 4282370, 7131077, 7628594, 14262154, 19071485, 35655385, 38142970, 71310770, 164014771, 328029542, 820073855, 1640147710]

約数ペア:

[(1, 1640147710), (2, 820073855), (5, 328029542), (10, 164014771), (23, 71310770), (43, 38142970), (46, 35655385), (86, 19071485), (115, 14262154), (215, 7628594), (230, 7131077), (383, 4282370), (430, 3814297), (433, 3787870), (766, 2141185), (866, 1893935), (989, 1658390), (1915, 856474), (1978, 829195), (2165, 757574), (3830, 428237), (4330, 378787), (4945, 331678), (8809, 186190), (9890, 165839), (9959, 164690), (16469, 99590), (17618, 93095), (18619, 88090), (19918, 82345), (32938, 49795), (37238, 44045)]