219829970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{1301}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 403942896

約数和(自身を除く): 184112926

約数列:

[1, 2, 5, 10, 61, 122, 277, 305, 554, 610, 1301, 1385, 2602, 2770, 6505, 13010, 16897, 33794, 79361, 84485, 158722, 168970, 360377, 396805, 720754, 793610, 1801885, 3603770, 21982997, 43965994, 109914985, 219829970]

約数ペア:

[(1, 219829970), (2, 109914985), (5, 43965994), (10, 21982997), (61, 3603770), (122, 1801885), (277, 793610), (305, 720754), (554, 396805), (610, 360377), (1301, 168970), (1385, 158722), (2602, 84485), (2770, 79361), (6505, 33794), (13010, 16897)]