201799780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{110879}}^1$

素因数の和:110908

約数の個数: 48

約数和(自身を含む): 521579520

約数和(自身を除く): 319779740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 110879, 221758, 443516, 554395, 776153, 1108790, 1441427, 1552306, 2217580, 2882854, 3104612, 3880765, 5765708, 7207135, 7761530, 10089989, 14414270, 15523060, 20179978, 28828540, 40359956, 50449945, 100899890, 201799780]

約数ペア:

[(1, 201799780), (2, 100899890), (4, 50449945), (5, 40359956), (7, 28828540), (10, 20179978), (13, 15523060), (14, 14414270), (20, 10089989), (26, 7761530), (28, 7207135), (35, 5765708), (52, 3880765), (65, 3104612), (70, 2882854), (91, 2217580), (130, 1552306), (140, 1441427), (182, 1108790), (260, 776153), (364, 554395), (455, 443516), (910, 221758), (1820, 110879)]