245514280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557987}}^1$

素因数の和:558009

約数の個数: 32

約数和(自身を含む): 602627040

約数和(自身を除く): 357112760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 557987, 1115974, 2231948, 2789935, 4463896, 5579870, 6137857, 11159740, 12275714, 22319480, 24551428, 30689285, 49102856, 61378570, 122757140, 245514280]

約数ペア:

[(1, 245514280), (2, 122757140), (4, 61378570), (5, 49102856), (8, 30689285), (10, 24551428), (11, 22319480), (20, 12275714), (22, 11159740), (40, 6137857), (44, 5579870), (55, 4463896), (88, 2789935), (110, 2231948), (220, 1115974), (440, 557987)]