2215940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1097}}^1$

素因数の和:1207

約数の個数: 24

約数和(自身を含む): 4703832

約数和(自身を除く): 2487892

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1097, 2020, 2194, 4388, 5485, 10970, 21940, 110797, 221594, 443188, 553985, 1107970, 2215940]

約数ペア:

[(1, 2215940), (2, 1107970), (4, 553985), (5, 443188), (10, 221594), (20, 110797), (101, 21940), (202, 10970), (404, 5485), (505, 4388), (1010, 2194), (1097, 2020)]