689680790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{1013}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 1256613696

約数和(自身を除く): 566932906

約数列:

[1, 2, 5, 10, 103, 206, 515, 661, 1013, 1030, 1322, 2026, 3305, 5065, 6610, 10130, 68083, 104339, 136166, 208678, 340415, 521695, 669593, 680830, 1043390, 1339186, 3347965, 6695930, 68968079, 137936158, 344840395, 689680790]

約数ペア:

[(1, 689680790), (2, 344840395), (5, 137936158), (10, 68968079), (103, 6695930), (206, 3347965), (515, 1339186), (661, 1043390), (1013, 680830), (1030, 669593), (1322, 521695), (2026, 340415), (3305, 208678), (5065, 136166), (6610, 104339), (10130, 68083)]