71438180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{733}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 164251584

約数和(自身を除く): 92813404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 733, 886, 1466, 1772, 2215, 2932, 3665, 4430, 4873, 7330, 8063, 8860, 9746, 14660, 16126, 19492, 24365, 32252, 40315, 48730, 80630, 97460, 161260, 324719, 649438, 1298876, 1623595, 3247190, 3571909, 6494380, 7143818, 14287636, 17859545, 35719090, 71438180]

約数ペア:

[(1, 71438180), (2, 35719090), (4, 17859545), (5, 14287636), (10, 7143818), (11, 6494380), (20, 3571909), (22, 3247190), (44, 1623595), (55, 1298876), (110, 649438), (220, 324719), (443, 161260), (733, 97460), (886, 80630), (1466, 48730), (1772, 40315), (2215, 32252), (2932, 24365), (3665, 19492), (4430, 16126), (4873, 14660), (7330, 9746), (8063, 8860)]