28045970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 53568000

約数和(自身を除く): 25522030

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 1999, 2806, 3998, 7015, 9995, 14030, 19990, 45977, 91954, 121939, 229885, 243878, 459770, 609695, 1219390, 2804597, 5609194, 14022985, 28045970]

約数ペア:

[(1, 28045970), (2, 14022985), (5, 5609194), (10, 2804597), (23, 1219390), (46, 609695), (61, 459770), (115, 243878), (122, 229885), (230, 121939), (305, 91954), (610, 45977), (1403, 19990), (1999, 14030), (2806, 9995), (3998, 7015)]