888900380

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{20759}}^1$

素因数の和:22909

約数の個数: 24

約数和(自身を含む): 1867652640

約数和(自身を除く): 978752260

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 20759, 21410, 41518, 42820, 83036, 103795, 207590, 415180, 44445019, 88890038, 177780076, 222225095, 444450190, 888900380]

約数ペア:

[(1, 888900380), (2, 444450190), (4, 222225095), (5, 177780076), (10, 88890038), (20, 44445019), (2141, 415180), (4282, 207590), (8564, 103795), (10705, 83036), (20759, 42820), (21410, 41518)]