272420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 585144

約数和(自身を除く): 312724

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 257, 265, 514, 530, 1028, 1060, 1285, 2570, 5140, 13621, 27242, 54484, 68105, 136210, 272420]

約数ペア:

[(1, 272420), (2, 136210), (4, 68105), (5, 54484), (10, 27242), (20, 13621), (53, 5140), (106, 2570), (212, 1285), (257, 1060), (265, 1028), (514, 530)]