166831420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 421521408

約数和(自身を除く): 254689988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 197, 230, 263, 322, 394, 460, 526, 644, 788, 805, 985, 1052, 1315, 1379, 1610, 1841, 1970, 2630, 2758, 3220, 3682, 3940, 4531, 5260, 5516, 6049, 6895, 7364, 9062, 9205, 12098, 13790, 18124, 18410, 22655, 24196, 27580, 30245, 31717, 36820, 42343, 45310, 51811, 60490, 63434, 84686, 90620, 103622, 120980, 126868, 158585, 169372, 207244, 211715, 259055, 317170, 362677, 423430, 518110, 634340, 725354, 846860, 1036220, 1191653, 1450708, 1813385, 2383306, 3626770, 4766612, 5958265, 7253540, 8341571, 11916530, 16683142, 23833060, 33366284, 41707855, 83415710, 166831420]

約数ペア:

[(1, 166831420), (2, 83415710), (4, 41707855), (5, 33366284), (7, 23833060), (10, 16683142), (14, 11916530), (20, 8341571), (23, 7253540), (28, 5958265), (35, 4766612), (46, 3626770), (70, 2383306), (92, 1813385), (115, 1450708), (140, 1191653), (161, 1036220), (197, 846860), (230, 725354), (263, 634340), (322, 518110), (394, 423430), (460, 362677), (526, 317170), (644, 259055), (788, 211715), (805, 207244), (985, 169372), (1052, 158585), (1315, 126868), (1379, 120980), (1610, 103622), (1841, 90620), (1970, 84686), (2630, 63434), (2758, 60490), (3220, 51811), (3682, 45310), (3940, 42343), (4531, 36820), (5260, 31717), (5516, 30245), (6049, 27580), (6895, 24196), (7364, 22655), (9062, 18410), (9205, 18124), (12098, 13790)]