31138250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 69885504

約数和(自身を除く): 38747254

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 67, 110, 125, 130, 134, 143, 169, 250, 275, 286, 325, 335, 338, 550, 650, 670, 715, 737, 845, 871, 1375, 1430, 1474, 1625, 1675, 1690, 1742, 1859, 2750, 3250, 3350, 3575, 3685, 3718, 4225, 4355, 7150, 7370, 8375, 8450, 8710, 9295, 9581, 11323, 16750, 17875, 18425, 18590, 19162, 21125, 21775, 22646, 35750, 36850, 42250, 43550, 46475, 47905, 56615, 92125, 92950, 95810, 108875, 113230, 124553, 184250, 217750, 232375, 239525, 249106, 283075, 464750, 479050, 566150, 622765, 1197625, 1245530, 1415375, 2395250, 2830750, 3113825, 6227650, 15569125, 31138250]

約数ペア:

[(1, 31138250), (2, 15569125), (5, 6227650), (10, 3113825), (11, 2830750), (13, 2395250), (22, 1415375), (25, 1245530), (26, 1197625), (50, 622765), (55, 566150), (65, 479050), (67, 464750), (110, 283075), (125, 249106), (130, 239525), (134, 232375), (143, 217750), (169, 184250), (250, 124553), (275, 113230), (286, 108875), (325, 95810), (335, 92950), (338, 92125), (550, 56615), (650, 47905), (670, 46475), (715, 43550), (737, 42250), (845, 36850), (871, 35750), (1375, 22646), (1430, 21775), (1474, 21125), (1625, 19162), (1675, 18590), (1690, 18425), (1742, 17875), (1859, 16750), (2750, 11323), (3250, 9581), (3350, 9295), (3575, 8710), (3685, 8450), (3718, 8375), (4225, 7370), (4355, 7150)]