78322940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2903}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 175633920

約数和(自身を除く): 97310980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 2903, 5396, 5806, 6745, 11612, 13490, 14515, 26980, 29030, 55157, 58060, 110314, 206113, 220628, 275785, 412226, 551570, 824452, 1030565, 1103140, 2061130, 3916147, 4122260, 7832294, 15664588, 19580735, 39161470, 78322940]

約数ペア:

[(1, 78322940), (2, 39161470), (4, 19580735), (5, 15664588), (10, 7832294), (19, 4122260), (20, 3916147), (38, 2061130), (71, 1103140), (76, 1030565), (95, 824452), (142, 551570), (190, 412226), (284, 275785), (355, 220628), (380, 206113), (710, 110314), (1349, 58060), (1420, 55157), (2698, 29030), (2903, 26980), (5396, 14515), (5806, 13490), (6745, 11612)]