6489400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 15333840

約数和(自身を除く): 8844440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 457, 568, 710, 914, 1420, 1775, 1828, 2285, 2840, 3550, 3656, 4570, 7100, 9140, 11425, 14200, 18280, 22850, 32447, 45700, 64894, 91400, 129788, 162235, 259576, 324470, 648940, 811175, 1297880, 1622350, 3244700, 6489400]

約数ペア:

[(1, 6489400), (2, 3244700), (4, 1622350), (5, 1297880), (8, 811175), (10, 648940), (20, 324470), (25, 259576), (40, 162235), (50, 129788), (71, 91400), (100, 64894), (142, 45700), (200, 32447), (284, 22850), (355, 18280), (457, 14200), (568, 11425), (710, 9140), (914, 7100), (1420, 4570), (1775, 3656), (1828, 3550), (2285, 2840)]