74018780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 170160480

約数和(自身を除く): 96141700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 661, 1018, 1322, 2036, 2545, 2644, 3305, 5090, 5599, 6610, 7271, 10180, 11198, 13220, 14542, 22396, 27995, 29084, 36355, 55990, 72710, 111980, 145420, 336449, 672898, 1345796, 1682245, 3364490, 3700939, 6728980, 7401878, 14803756, 18504695, 37009390, 74018780]

約数ペア:

[(1, 74018780), (2, 37009390), (4, 18504695), (5, 14803756), (10, 7401878), (11, 6728980), (20, 3700939), (22, 3364490), (44, 1682245), (55, 1345796), (110, 672898), (220, 336449), (509, 145420), (661, 111980), (1018, 72710), (1322, 55990), (2036, 36355), (2545, 29084), (2644, 27995), (3305, 22396), (5090, 14542), (5599, 13220), (6610, 11198), (7271, 10180)]