2171260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1193}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 5616576

約数和(自身を除く): 3445316

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, 1193, 1820, 2386, 4772, 5965, 8351, 11930, 15509, 16702, 23860, 31018, 33404, 41755, 62036, 77545, 83510, 108563, 155090, 167020, 217126, 310180, 434252, 542815, 1085630, 2171260]

約数ペア:

[(1, 2171260), (2, 1085630), (4, 542815), (5, 434252), (7, 310180), (10, 217126), (13, 167020), (14, 155090), (20, 108563), (26, 83510), (28, 77545), (35, 62036), (52, 41755), (65, 33404), (70, 31018), (91, 23860), (130, 16702), (140, 15509), (182, 11930), (260, 8351), (364, 5965), (455, 4772), (910, 2386), (1193, 1820)]