208049270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 446209344

約数和(自身を除く): 238160074

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 286, 365, 715, 730, 803, 949, 1430, 1606, 1898, 1993, 3986, 4015, 4745, 8030, 9490, 9965, 10439, 19930, 20878, 21923, 25909, 43846, 51818, 52195, 104390, 109615, 129545, 145489, 219230, 259090, 284999, 290978, 569998, 727445, 1424995, 1454890, 1600379, 1891357, 2849990, 3200758, 3782714, 8001895, 9456785, 16003790, 18913570, 20804927, 41609854, 104024635, 208049270]

約数ペア:

[(1, 208049270), (2, 104024635), (5, 41609854), (10, 20804927), (11, 18913570), (13, 16003790), (22, 9456785), (26, 8001895), (55, 3782714), (65, 3200758), (73, 2849990), (110, 1891357), (130, 1600379), (143, 1454890), (146, 1424995), (286, 727445), (365, 569998), (715, 290978), (730, 284999), (803, 259090), (949, 219230), (1430, 145489), (1606, 129545), (1898, 109615), (1993, 104390), (3986, 52195), (4015, 51818), (4745, 43846), (8030, 25909), (9490, 21923), (9965, 20878), (10439, 19930)]