549940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 1193472

約数和(自身を除く): 643532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 887, 1774, 3548, 4435, 8870, 17740, 27497, 54994, 109988, 137485, 274970, 549940]

約数ペア:

[(1, 549940), (2, 274970), (4, 137485), (5, 109988), (10, 54994), (20, 27497), (31, 17740), (62, 8870), (124, 4435), (155, 3548), (310, 1774), (620, 887)]