7813304940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18603107}}^1$

素因数の和:18603126

約数の個数: 48

約数和(自身を含む): 25002577152

約数和(自身を除く): 17189272212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 18603107, 37206214, 55809321, 74412428, 93015535, 111618642, 130221749, 186031070, 223237284, 260443498, 279046605, 372062140, 390665247, 520886996, 558093210, 651108745, 781330494, 1116186420, 1302217490, 1562660988, 1953326235, 2604434980, 3906652470, 7813304940]

約数ペア:

[(1, 7813304940), (2, 3906652470), (3, 2604434980), (4, 1953326235), (5, 1562660988), (6, 1302217490), (7, 1116186420), (10, 781330494), (12, 651108745), (14, 558093210), (15, 520886996), (20, 390665247), (21, 372062140), (28, 279046605), (30, 260443498), (35, 223237284), (42, 186031070), (60, 130221749), (70, 111618642), (84, 93015535), (105, 74412428), (140, 55809321), (210, 37206214), (420, 18603107)]