345680984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 447471016

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 38, 44, 46, 76, 88, 89, 92, 101, 152, 178, 184, 202, 209, 253, 356, 404, 418, 437, 506, 712, 808, 836, 874, 979, 1012, 1111, 1672, 1691, 1748, 1919, 1958, 2024, 2047, 2222, 2323, 3382, 3496, 3838, 3916, 4094, 4444, 4646, 4807, 6764, 7676, 7832, 8188, 8888, 8989, 9292, 9614, 13528, 15352, 16376, 17978, 18584, 18601, 19228, 21109, 22517, 25553, 35956, 37202, 38456, 38893, 42218, 44137, 45034, 51106, 71912, 74404, 77786, 84436, 88274, 90068, 98879, 102212, 148808, 155572, 168872, 170791, 176548, 180136, 197758, 204424, 206747, 311144, 341582, 353096, 395516, 413494, 427823, 485507, 683164, 791032, 826988, 855646, 971014, 1366328, 1653976, 1711292, 1878701, 1942028, 2274217, 3422584, 3757402, 3884056, 3928193, 4548434, 7514804, 7856386, 9096868, 15029608, 15712772, 18193736, 31425544, 43210123, 86420246, 172840492, 345680984]

約数ペア:

[(1, 345680984), (2, 172840492), (4, 86420246), (8, 43210123), (11, 31425544), (19, 18193736), (22, 15712772), (23, 15029608), (38, 9096868), (44, 7856386), (46, 7514804), (76, 4548434), (88, 3928193), (89, 3884056), (92, 3757402), (101, 3422584), (152, 2274217), (178, 1942028), (184, 1878701), (202, 1711292), (209, 1653976), (253, 1366328), (356, 971014), (404, 855646), (418, 826988), (437, 791032), (506, 683164), (712, 485507), (808, 427823), (836, 413494), (874, 395516), (979, 353096), (1012, 341582), (1111, 311144), (1672, 206747), (1691, 204424), (1748, 197758), (1919, 180136), (1958, 176548), (2024, 170791), (2047, 168872), (2222, 155572), (2323, 148808), (3382, 102212), (3496, 98879), (3838, 90068), (3916, 88274), (4094, 84436), (4444, 77786), (4646, 74404), (4807, 71912), (6764, 51106), (7676, 45034), (7832, 44137), (8188, 42218), (8888, 38893), (8989, 38456), (9292, 37202), (9614, 35956), (13528, 25553), (15352, 22517), (16376, 21109), (17978, 19228), (18584, 18601)]