1649118520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{4271}}^1$

素因数の和:4493

約数の個数: 96

約数和(自身を含む): 4339241280

約数和(自身を除く): 2690122760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 197, 245, 280, 392, 394, 490, 788, 980, 985, 1379, 1576, 1960, 1970, 2758, 3940, 4271, 5516, 6895, 7880, 8542, 9653, 11032, 13790, 17084, 19306, 21355, 27580, 29897, 34168, 38612, 42710, 48265, 55160, 59794, 77224, 85420, 96530, 119588, 149485, 170840, 193060, 209279, 239176, 298970, 386120, 418558, 597940, 837116, 841387, 1046395, 1195880, 1674232, 1682774, 2092790, 3365548, 4185580, 4206935, 5889709, 6731096, 8371160, 8413870, 11779418, 16827740, 23558836, 29448545, 33655480, 41227963, 47117672, 58897090, 82455926, 117794180, 164911852, 206139815, 235588360, 329823704, 412279630, 824559260, 1649118520]

約数ペア:

[(1, 1649118520), (2, 824559260), (4, 412279630), (5, 329823704), (7, 235588360), (8, 206139815), (10, 164911852), (14, 117794180), (20, 82455926), (28, 58897090), (35, 47117672), (40, 41227963), (49, 33655480), (56, 29448545), (70, 23558836), (98, 16827740), (140, 11779418), (196, 8413870), (197, 8371160), (245, 6731096), (280, 5889709), (392, 4206935), (394, 4185580), (490, 3365548), (788, 2092790), (980, 1682774), (985, 1674232), (1379, 1195880), (1576, 1046395), (1960, 841387), (1970, 837116), (2758, 597940), (3940, 418558), (4271, 386120), (5516, 298970), (6895, 239176), (7880, 209279), (8542, 193060), (9653, 170840), (11032, 149485), (13790, 119588), (17084, 96530), (19306, 85420), (21355, 77224), (27580, 59794), (29897, 55160), (34168, 48265), (38612, 42710)]