620253420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449459}}^1$

素因数の和:449494

約数の個数: 48

約数和(自身を含む): 1812222720

約数和(自身を除く): 1191969300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 449459, 898918, 1348377, 1797836, 2247295, 2696754, 4494590, 5393508, 6741885, 8989180, 10337557, 13483770, 20675114, 26967540, 31012671, 41350228, 51687785, 62025342, 103375570, 124050684, 155063355, 206751140, 310126710, 620253420]

約数ペア:

[(1, 620253420), (2, 310126710), (3, 206751140), (4, 155063355), (5, 124050684), (6, 103375570), (10, 62025342), (12, 51687785), (15, 41350228), (20, 31012671), (23, 26967540), (30, 20675114), (46, 13483770), (60, 10337557), (69, 8989180), (92, 6741885), (115, 5393508), (138, 4494590), (230, 2696754), (276, 2247295), (345, 1797836), (460, 1348377), (690, 898918), (1380, 449459)]