198277540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4787}}^1$

素因数の和:4924

約数の個数: 48

約数和(自身を含む): 442411200

約数和(自身を除く): 244133660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 4787, 8284, 9574, 10355, 19148, 20710, 23935, 41420, 47870, 90953, 95740, 181906, 363812, 454765, 521783, 909530, 1043566, 1819060, 2087132, 2608915, 5217830, 9913877, 10435660, 19827754, 39655508, 49569385, 99138770, 198277540]

約数ペア:

[(1, 198277540), (2, 99138770), (4, 49569385), (5, 39655508), (10, 19827754), (19, 10435660), (20, 9913877), (38, 5217830), (76, 2608915), (95, 2087132), (109, 1819060), (190, 1043566), (218, 909530), (380, 521783), (436, 454765), (545, 363812), (1090, 181906), (2071, 95740), (2180, 90953), (4142, 47870), (4787, 41420), (8284, 23935), (9574, 20710), (10355, 19148)]