71871380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513367}}^1$

素因数の和:513383

約数の個数: 24

約数和(自身を含む): 172491648

約数和(自身を除く): 100620268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513367, 1026734, 2053468, 2566835, 3593569, 5133670, 7187138, 10267340, 14374276, 17967845, 35935690, 71871380]

約数ペア:

[(1, 71871380), (2, 35935690), (4, 17967845), (5, 14374276), (7, 10267340), (10, 7187138), (14, 5133670), (20, 3593569), (28, 2566835), (35, 2053468), (70, 1026734), (140, 513367)]