1906940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 4681152

約数和(自身を除く): 2774212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 257, 265, 371, 514, 530, 742, 1028, 1060, 1285, 1484, 1799, 1855, 2570, 3598, 3710, 5140, 7196, 7420, 8995, 13621, 17990, 27242, 35980, 54484, 68105, 95347, 136210, 190694, 272420, 381388, 476735, 953470, 1906940]

約数ペア:

[(1, 1906940), (2, 953470), (4, 476735), (5, 381388), (7, 272420), (10, 190694), (14, 136210), (20, 95347), (28, 68105), (35, 54484), (53, 35980), (70, 27242), (106, 17990), (140, 13621), (212, 8995), (257, 7420), (265, 7196), (371, 5140), (514, 3710), (530, 3598), (742, 2570), (1028, 1855), (1060, 1799), (1285, 1484)]