42171800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 110818800

約数和(自身を除く): 68647000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 145, 200, 220, 232, 275, 290, 319, 440, 550, 580, 638, 661, 725, 1100, 1160, 1276, 1322, 1450, 1595, 2200, 2552, 2644, 2900, 3190, 3305, 5288, 5800, 6380, 6610, 7271, 7975, 12760, 13220, 14542, 15950, 16525, 19169, 26440, 29084, 31900, 33050, 36355, 38338, 58168, 63800, 66100, 72710, 76676, 95845, 132200, 145420, 153352, 181775, 191690, 210859, 290840, 363550, 383380, 421718, 479225, 727100, 766760, 843436, 958450, 1054295, 1454200, 1686872, 1916900, 2108590, 3833800, 4217180, 5271475, 8434360, 10542950, 21085900, 42171800]

約数ペア:

[(1, 42171800), (2, 21085900), (4, 10542950), (5, 8434360), (8, 5271475), (10, 4217180), (11, 3833800), (20, 2108590), (22, 1916900), (25, 1686872), (29, 1454200), (40, 1054295), (44, 958450), (50, 843436), (55, 766760), (58, 727100), (88, 479225), (100, 421718), (110, 383380), (116, 363550), (145, 290840), (200, 210859), (220, 191690), (232, 181775), (275, 153352), (290, 145420), (319, 132200), (440, 95845), (550, 76676), (580, 72710), (638, 66100), (661, 63800), (725, 58168), (1100, 38338), (1160, 36355), (1276, 33050), (1322, 31900), (1450, 29084), (1595, 26440), (2200, 19169), (2552, 16525), (2644, 15950), (2900, 14542), (3190, 13220), (3305, 12760), (5288, 7975), (5800, 7271), (6380, 6610)]