7998100

素因数分解:

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

素因数の和:697

約数の個数: 54

約数和(自身を含む): 19105982

約数和(自身を除く): 11107882

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 661, 1100, 1210, 1322, 2420, 2644, 3025, 3305, 6050, 6610, 7271, 12100, 13220, 14542, 16525, 29084, 33050, 36355, 66100, 72710, 79981, 145420, 159962, 181775, 319924, 363550, 399905, 727100, 799810, 1599620, 1999525, 3999050, 7998100]

約数ペア:

[(1, 7998100), (2, 3999050), (4, 1999525), (5, 1599620), (10, 799810), (11, 727100), (20, 399905), (22, 363550), (25, 319924), (44, 181775), (50, 159962), (55, 145420), (100, 79981), (110, 72710), (121, 66100), (220, 36355), (242, 33050), (275, 29084), (484, 16525), (550, 14542), (605, 13220), (661, 12100), (1100, 7271), (1210, 6610), (1322, 6050), (2420, 3305), (2644, 3025)]