2018059780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{8597}}^1$

素因数の和:8725

約数の個数: 72

約数和(自身を含む): 4706785944

約数和(自身を除く): 2688726164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 121, 194, 220, 242, 388, 484, 485, 605, 970, 1067, 1210, 1940, 2134, 2420, 4268, 5335, 8597, 10670, 11737, 17194, 21340, 23474, 34388, 42985, 46948, 58685, 85970, 94567, 117370, 171940, 189134, 234740, 378268, 472835, 833909, 945670, 1040237, 1667818, 1891340, 2080474, 3335636, 4160948, 4169545, 5201185, 8339090, 9172999, 10402370, 16678180, 18345998, 20804740, 36691996, 45864995, 91729990, 100902989, 183459980, 201805978, 403611956, 504514945, 1009029890, 2018059780]

約数ペア:

[(1, 2018059780), (2, 1009029890), (4, 504514945), (5, 403611956), (10, 201805978), (11, 183459980), (20, 100902989), (22, 91729990), (44, 45864995), (55, 36691996), (97, 20804740), (110, 18345998), (121, 16678180), (194, 10402370), (220, 9172999), (242, 8339090), (388, 5201185), (484, 4169545), (485, 4160948), (605, 3335636), (970, 2080474), (1067, 1891340), (1210, 1667818), (1940, 1040237), (2134, 945670), (2420, 833909), (4268, 472835), (5335, 378268), (8597, 234740), (10670, 189134), (11737, 171940), (17194, 117370), (21340, 94567), (23474, 85970), (34388, 58685), (42985, 46948)]