1031380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1508780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 139, 140, 212, 265, 278, 371, 530, 556, 695, 742, 973, 1060, 1390, 1484, 1855, 1946, 2780, 3710, 3892, 4865, 7367, 7420, 9730, 14734, 19460, 29468, 36835, 51569, 73670, 103138, 147340, 206276, 257845, 515690, 1031380]

約数ペア:

[(1, 1031380), (2, 515690), (4, 257845), (5, 206276), (7, 147340), (10, 103138), (14, 73670), (20, 51569), (28, 36835), (35, 29468), (53, 19460), (70, 14734), (106, 9730), (139, 7420), (140, 7367), (212, 4865), (265, 3892), (278, 3710), (371, 2780), (530, 1946), (556, 1855), (695, 1484), (742, 1390), (973, 1060)]