81857930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{15187}}^1$

素因数の和:15219

約数の個数: 48

約数和(自身を含む): 186994656

約数和(自身を除く): 105136726

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 15187, 30374, 75935, 106309, 151870, 167057, 212618, 334114, 531545, 744163, 835285, 1063090, 1169399, 1488326, 1670570, 2338798, 3720815, 5846995, 7441630, 8185793, 11693990, 16371586, 40928965, 81857930]

約数ペア:

[(1, 81857930), (2, 40928965), (5, 16371586), (7, 11693990), (10, 8185793), (11, 7441630), (14, 5846995), (22, 3720815), (35, 2338798), (49, 1670570), (55, 1488326), (70, 1169399), (77, 1063090), (98, 835285), (110, 744163), (154, 531545), (245, 334114), (385, 212618), (490, 167057), (539, 151870), (770, 106309), (1078, 75935), (2695, 30374), (5390, 15187)]