2012178795020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8923}}^1\times {\mathrm{82301}}^1$

素因数の和:91370

約数の個数: 48

約数和(自身を含む): 4256947826208

約数和(自身を除く): 2244769031188

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 8923, 17846, 35692, 44615, 82301, 89230, 164602, 178460, 329204, 411505, 823010, 1222451, 1646020, 2444902, 4889804, 6112255, 11275237, 12224510, 22550474, 24449020, 45100948, 56376185, 112752370, 225504740, 734371823, 1468743646, 2937487292, 3671859115, 7343718230, 14687436460, 100608939751, 201217879502, 402435759004, 503044698755, 1006089397510, 2012178795020]

約数ペア:

[(1, 2012178795020), (2, 1006089397510), (4, 503044698755), (5, 402435759004), (10, 201217879502), (20, 100608939751), (137, 14687436460), (274, 7343718230), (548, 3671859115), (685, 2937487292), (1370, 1468743646), (2740, 734371823), (8923, 225504740), (17846, 112752370), (35692, 56376185), (44615, 45100948), (82301, 24449020), (89230, 22550474), (164602, 12224510), (178460, 11275237), (329204, 6112255), (411505, 4889804), (823010, 2444902), (1222451, 1646020)]