2103860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 4923072

約数和(自身を除く): 2819212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 131, 146, 220, 262, 292, 365, 524, 655, 730, 803, 1310, 1441, 1460, 1606, 2620, 2882, 3212, 4015, 5764, 7205, 8030, 9563, 14410, 16060, 19126, 28820, 38252, 47815, 95630, 105193, 191260, 210386, 420772, 525965, 1051930, 2103860]

約数ペア:

[(1, 2103860), (2, 1051930), (4, 525965), (5, 420772), (10, 210386), (11, 191260), (20, 105193), (22, 95630), (44, 47815), (55, 38252), (73, 28820), (110, 19126), (131, 16060), (146, 14410), (220, 9563), (262, 8030), (292, 7205), (365, 5764), (524, 4015), (655, 3212), (730, 2882), (803, 2620), (1310, 1606), (1441, 1460)]