68991725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 99368640

約数和(自身を除く): 30376915

約数列:

[1, 5, 11, 25, 29, 41, 55, 145, 205, 211, 275, 319, 451, 725, 1025, 1055, 1189, 1595, 2255, 2321, 5275, 5945, 6119, 7975, 8651, 11275, 11605, 13079, 29725, 30595, 43255, 58025, 65395, 67309, 95161, 152975, 216275, 250879, 326975, 336545, 475805, 1254395, 1682725, 2379025, 2759669, 6271975, 13798345, 68991725]

約数ペア:

[(1, 68991725), (5, 13798345), (11, 6271975), (25, 2759669), (29, 2379025), (41, 1682725), (55, 1254395), (145, 475805), (205, 336545), (211, 326975), (275, 250879), (319, 216275), (451, 152975), (725, 95161), (1025, 67309), (1055, 65395), (1189, 58025), (1595, 43255), (2255, 30595), (2321, 29725), (5275, 13079), (5945, 11605), (6119, 11275), (7975, 8651)]