201219909890

素因数分解:

$2^1\times 5^1\times {\mathrm{115631}}^1\times {\mathrm{174019}}^1$

素因数の和:289657

約数の個数: 16

約数和(自身を含む): 362201051520

約数和(自身を除く): 160981141630

約数列:

[1, 2, 5, 10, 115631, 174019, 231262, 348038, 578155, 870095, 1156310, 1740190, 20121990989, 40243981978, 100609954945, 201219909890]

約数ペア:

[(1, 201219909890), (2, 100609954945), (5, 40243981978), (10, 20121990989), (115631, 1740190), (174019, 1156310), (231262, 870095), (348038, 578155)]