219321380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 470507520

約数和(自身を除く): 251186140

約数列:

[1, 2, 4, 5, 10, 20, 79, 127, 158, 254, 316, 395, 508, 635, 790, 1093, 1270, 1580, 2186, 2540, 4372, 5465, 10033, 10930, 20066, 21860, 40132, 50165, 86347, 100330, 138811, 172694, 200660, 277622, 345388, 431735, 555244, 694055, 863470, 1388110, 1726940, 2776220, 10966069, 21932138, 43864276, 54830345, 109660690, 219321380]

約数ペア:

[(1, 219321380), (2, 109660690), (4, 54830345), (5, 43864276), (10, 21932138), (20, 10966069), (79, 2776220), (127, 1726940), (158, 1388110), (254, 863470), (316, 694055), (395, 555244), (508, 431735), (635, 345388), (790, 277622), (1093, 200660), (1270, 172694), (1580, 138811), (2186, 100330), (2540, 86347), (4372, 50165), (5465, 40132), (10033, 21860), (10930, 20066)]