249747260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{4139}}^1$

素因数の和:4586

約数の個数: 48

約数和(自身を含む): 600929280

約数和(自身を除く): 351182020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4139, 4310, 6034, 8278, 8620, 12068, 15085, 16556, 20695, 28973, 30170, 41390, 57946, 60340, 82780, 115892, 144865, 289730, 579460, 1783909, 3567818, 7135636, 8919545, 12487363, 17839090, 24974726, 35678180, 49949452, 62436815, 124873630, 249747260]

約数ペア:

[(1, 249747260), (2, 124873630), (4, 62436815), (5, 49949452), (7, 35678180), (10, 24974726), (14, 17839090), (20, 12487363), (28, 8919545), (35, 7135636), (70, 3567818), (140, 1783909), (431, 579460), (862, 289730), (1724, 144865), (2155, 115892), (3017, 82780), (4139, 60340), (4310, 57946), (6034, 41390), (8278, 30170), (8620, 28973), (12068, 20695), (15085, 16556)]