1380451270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{660503}}^1$

素因数の和:660540

約数の個数: 32

約数和(自身を含む): 2853377280

約数和(自身を除く): 1472926010

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 660503, 1321006, 3302515, 6605030, 7265533, 12549557, 14531066, 25099114, 36327665, 62747785, 72655330, 125495570, 138045127, 276090254, 690225635, 1380451270]

約数ペア:

[(1, 1380451270), (2, 690225635), (5, 276090254), (10, 138045127), (11, 125495570), (19, 72655330), (22, 62747785), (38, 36327665), (55, 25099114), (95, 14531066), (110, 12549557), (190, 7265533), (209, 6605030), (418, 3302515), (1045, 1321006), (2090, 660503)]