30808540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{653}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 74273472

約数和(自身を除く): 43464932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 653, 674, 1306, 1348, 1685, 2359, 2612, 3265, 3370, 4571, 4718, 6530, 6740, 9142, 9436, 11795, 13060, 18284, 22855, 23590, 45710, 47180, 91420, 220061, 440122, 880244, 1100305, 1540427, 2200610, 3080854, 4401220, 6161708, 7702135, 15404270, 30808540]

約数ペア:

[(1, 30808540), (2, 15404270), (4, 7702135), (5, 6161708), (7, 4401220), (10, 3080854), (14, 2200610), (20, 1540427), (28, 1100305), (35, 880244), (70, 440122), (140, 220061), (337, 91420), (653, 47180), (674, 45710), (1306, 23590), (1348, 22855), (1685, 18284), (2359, 13060), (2612, 11795), (3265, 9436), (3370, 9142), (4571, 6740), (4718, 6530)]