211246640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 547204560

約数和(自身を除く): 335957920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 139, 157, 176, 220, 242, 278, 314, 440, 484, 556, 605, 628, 695, 785, 880, 968, 1112, 1210, 1256, 1390, 1529, 1570, 1727, 1936, 2224, 2420, 2512, 2780, 3058, 3140, 3454, 4840, 5560, 6116, 6280, 6908, 7645, 8635, 9680, 11120, 12232, 12560, 13816, 15290, 16819, 17270, 18997, 21823, 24464, 27632, 30580, 33638, 34540, 37994, 43646, 61160, 67276, 69080, 75988, 84095, 87292, 94985, 109115, 122320, 134552, 138160, 151976, 168190, 174584, 189970, 218230, 240053, 269104, 303952, 336380, 349168, 379940, 436460, 480106, 672760, 759880, 872920, 960212, 1200265, 1345520, 1519760, 1745840, 1920424, 2400530, 2640583, 3840848, 4801060, 5281166, 9602120, 10562332, 13202915, 19204240, 21124664, 26405830, 42249328, 52811660, 105623320, 211246640]

約数ペア:

[(1, 211246640), (2, 105623320), (4, 52811660), (5, 42249328), (8, 26405830), (10, 21124664), (11, 19204240), (16, 13202915), (20, 10562332), (22, 9602120), (40, 5281166), (44, 4801060), (55, 3840848), (80, 2640583), (88, 2400530), (110, 1920424), (121, 1745840), (139, 1519760), (157, 1345520), (176, 1200265), (220, 960212), (242, 872920), (278, 759880), (314, 672760), (440, 480106), (484, 436460), (556, 379940), (605, 349168), (628, 336380), (695, 303952), (785, 269104), (880, 240053), (968, 218230), (1112, 189970), (1210, 174584), (1256, 168190), (1390, 151976), (1529, 138160), (1570, 134552), (1727, 122320), (1936, 109115), (2224, 94985), (2420, 87292), (2512, 84095), (2780, 75988), (3058, 69080), (3140, 67276), (3454, 61160), (4840, 43646), (5560, 37994), (6116, 34540), (6280, 33638), (6908, 30580), (7645, 27632), (8635, 24464), (9680, 21823), (11120, 18997), (12232, 17270), (12560, 16819), (13816, 15290)]