2278130

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 4118040

約数和(自身を除く): 1839910

約数列:

[1, 2, 5, 10, 409, 557, 818, 1114, 2045, 2785, 4090, 5570, 227813, 455626, 1139065, 2278130]

約数ペア:

[(1, 2278130), (2, 1139065), (5, 455626), (10, 227813), (409, 5570), (557, 4090), (818, 2785), (1114, 2045)]