71808790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 137088000

約数和(自身を除く): 65279210

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 2719, 5282, 5438, 13205, 13595, 26410, 27190, 51661, 103322, 258305, 377941, 516610, 755882, 1889705, 3779410, 7180879, 14361758, 35904395, 71808790]

約数ペア:

[(1, 71808790), (2, 35904395), (5, 14361758), (10, 7180879), (19, 3779410), (38, 1889705), (95, 755882), (139, 516610), (190, 377941), (278, 258305), (695, 103322), (1390, 51661), (2641, 27190), (2719, 26410), (5282, 13595), (5438, 13205)]