713478260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{12619}}^1$

素因数の和:12896

約数の個数: 48

約数和(自身を含む): 1641003840

約数和(自身を除く): 927525580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 5140, 5654, 11308, 12619, 14135, 25238, 28270, 50476, 56540, 63095, 126190, 138809, 252380, 277618, 555236, 694045, 1388090, 2776180, 3243083, 6486166, 12972332, 16215415, 32430830, 35673913, 64861660, 71347826, 142695652, 178369565, 356739130, 713478260]

約数ペア:

[(1, 713478260), (2, 356739130), (4, 178369565), (5, 142695652), (10, 71347826), (11, 64861660), (20, 35673913), (22, 32430830), (44, 16215415), (55, 12972332), (110, 6486166), (220, 3243083), (257, 2776180), (514, 1388090), (1028, 694045), (1285, 555236), (2570, 277618), (2827, 252380), (5140, 138809), (5654, 126190), (11308, 63095), (12619, 56540), (14135, 50476), (25238, 28270)]