30388180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 68160960

約数和(自身を除く): 37772780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 643, 695, 1286, 1390, 2363, 2572, 2780, 3215, 4726, 6430, 9452, 10931, 11815, 12860, 21862, 23630, 43724, 47260, 54655, 89377, 109310, 178754, 218620, 357508, 446885, 893770, 1519409, 1787540, 3038818, 6077636, 7597045, 15194090, 30388180]

約数ペア:

[(1, 30388180), (2, 15194090), (4, 7597045), (5, 6077636), (10, 3038818), (17, 1787540), (20, 1519409), (34, 893770), (68, 446885), (85, 357508), (139, 218620), (170, 178754), (278, 109310), (340, 89377), (556, 54655), (643, 47260), (695, 43724), (1286, 23630), (1390, 21862), (2363, 12860), (2572, 11815), (2780, 10931), (3215, 9452), (4726, 6430)]