219921670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2267}}^1$

素因数の和:2472

約数の個数: 32

約数和(自身を含む): 404157600

約数和(自身を除く): 184235930

約数列:

[1, 2, 5, 10, 89, 109, 178, 218, 445, 545, 890, 1090, 2267, 4534, 9701, 11335, 19402, 22670, 48505, 97010, 201763, 247103, 403526, 494206, 1008815, 1235515, 2017630, 2471030, 21992167, 43984334, 109960835, 219921670]

約数ペア:

[(1, 219921670), (2, 109960835), (5, 43984334), (10, 21992167), (89, 2471030), (109, 2017630), (178, 1235515), (218, 1008815), (445, 494206), (545, 403526), (890, 247103), (1090, 201763), (2267, 97010), (4534, 48505), (9701, 22670), (11335, 19402)]