219029080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{69313}}^1$

素因数の和:69403

約数の個数: 32

約数和(自身を含む): 499060800

約数和(自身を除く): 280031720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 69313, 138626, 277252, 346565, 554504, 693130, 1386260, 2772520, 5475727, 10951454, 21902908, 27378635, 43805816, 54757270, 109514540, 219029080]

約数ペア:

[(1, 219029080), (2, 109514540), (4, 54757270), (5, 43805816), (8, 27378635), (10, 21902908), (20, 10951454), (40, 5475727), (79, 2772520), (158, 1386260), (316, 693130), (395, 554504), (632, 346565), (790, 277252), (1580, 138626), (3160, 69313)]