137270840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3527}}^1$

素因数の和:3684

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 218351560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3527, 3892, 4865, 5560, 7054, 7784, 9730, 14108, 17635, 19460, 24689, 28216, 35270, 38920, 49378, 70540, 98756, 123445, 141080, 197512, 246890, 490253, 493780, 980506, 987560, 1961012, 2451265, 3431771, 3922024, 4902530, 6863542, 9805060, 13727084, 17158855, 19610120, 27454168, 34317710, 68635420, 137270840]

約数ペア:

[(1, 137270840), (2, 68635420), (4, 34317710), (5, 27454168), (7, 19610120), (8, 17158855), (10, 13727084), (14, 9805060), (20, 6863542), (28, 4902530), (35, 3922024), (40, 3431771), (56, 2451265), (70, 1961012), (139, 987560), (140, 980506), (278, 493780), (280, 490253), (556, 246890), (695, 197512), (973, 141080), (1112, 123445), (1390, 98756), (1946, 70540), (2780, 49378), (3527, 38920), (3892, 35270), (4865, 28216), (5560, 24689), (7054, 19460), (7784, 17635), (9730, 14108)]