31004380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140929}}^1$

素因数の和:140949

約数の個数: 24

約数和(自身を含む): 71028720

約数和(自身を除く): 40024340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140929, 281858, 563716, 704645, 1409290, 1550219, 2818580, 3100438, 6200876, 7751095, 15502190, 31004380]

約数ペア:

[(1, 31004380), (2, 15502190), (4, 7751095), (5, 6200876), (10, 3100438), (11, 2818580), (20, 1550219), (22, 1409290), (44, 704645), (55, 563716), (110, 281858), (220, 140929)]