220180912

素因数分解:

$2^4\times 7^2\times {\mathrm{280843}}^1$

素因数の和:280865

約数の個数: 30

約数和(自身を含む): 496251348

約数和(自身を除く): 276070436

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 280843, 561686, 1123372, 1965901, 2246744, 3931802, 4493488, 7863604, 13761307, 15727208, 27522614, 31454416, 55045228, 110090456, 220180912]

約数ペア:

[(1, 220180912), (2, 110090456), (4, 55045228), (7, 31454416), (8, 27522614), (14, 15727208), (16, 13761307), (28, 7863604), (49, 4493488), (56, 3931802), (98, 2246744), (112, 1965901), (196, 1123372), (392, 561686), (784, 280843)]