214940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 492912

約数和(自身を除く): 277972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 977, 1954, 3908, 4885, 9770, 10747, 19540, 21494, 42988, 53735, 107470, 214940]

約数ペア:

[(1, 214940), (2, 107470), (4, 53735), (5, 42988), (10, 21494), (11, 19540), (20, 10747), (22, 9770), (44, 4885), (55, 3908), (110, 1954), (220, 977)]