1273690990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1949}}^1$

素因数の和:2437

約数の個数: 64

約数和(自身を含む): 2700734400

約数和(自身を除く): 1427043410

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 457, 715, 914, 1430, 1949, 2285, 3898, 4570, 5027, 5941, 9745, 10054, 11882, 19490, 21439, 25135, 25337, 29705, 42878, 50270, 50674, 59410, 65351, 107195, 126685, 130702, 214390, 253370, 278707, 326755, 557414, 653510, 890693, 1393535, 1781386, 2787070, 4453465, 8906930, 9797623, 11579009, 19595246, 23158018, 48988115, 57895045, 97976230, 115790090, 127369099, 254738198, 636845495, 1273690990]

約数ペア:

[(1, 1273690990), (2, 636845495), (5, 254738198), (10, 127369099), (11, 115790090), (13, 97976230), (22, 57895045), (26, 48988115), (55, 23158018), (65, 19595246), (110, 11579009), (130, 9797623), (143, 8906930), (286, 4453465), (457, 2787070), (715, 1781386), (914, 1393535), (1430, 890693), (1949, 653510), (2285, 557414), (3898, 326755), (4570, 278707), (5027, 253370), (5941, 214390), (9745, 130702), (10054, 126685), (11882, 107195), (19490, 65351), (21439, 59410), (25135, 50674), (25337, 50270), (29705, 42878)]