31172540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11719}}^1$

素因数の和:11754

約数の個数: 48

約数和(自身を含む): 78758400

約数和(自身を除く): 47585860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11719, 23438, 46876, 58595, 82033, 117190, 164066, 222661, 234380, 328132, 410165, 445322, 820330, 890644, 1113305, 1558627, 1640660, 2226610, 3117254, 4453220, 6234508, 7793135, 15586270, 31172540]

約数ペア:

[(1, 31172540), (2, 15586270), (4, 7793135), (5, 6234508), (7, 4453220), (10, 3117254), (14, 2226610), (19, 1640660), (20, 1558627), (28, 1113305), (35, 890644), (38, 820330), (70, 445322), (76, 410165), (95, 328132), (133, 234380), (140, 222661), (190, 164066), (266, 117190), (380, 82033), (532, 58595), (665, 46876), (1330, 23438), (2660, 11719)]