556457140

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{66403}}^1$

素因数の和:66831

約数の個数: 24

約数和(自身を含む): 1171366560

約数和(自身を除く): 614909420

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 66403, 132806, 265612, 332015, 664030, 1328060, 27822857, 55645714, 111291428, 139114285, 278228570, 556457140]

約数ペア:

[(1, 556457140), (2, 278228570), (4, 139114285), (5, 111291428), (10, 55645714), (20, 27822857), (419, 1328060), (838, 664030), (1676, 332015), (2095, 265612), (4190, 132806), (8380, 66403)]