142044520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{208889}}^1$

素因数の和:208917

約数の個数: 32

約数和(自身を含む): 338401800

約数和(自身を除く): 196357280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 208889, 417778, 835556, 1044445, 1671112, 2088890, 3551113, 4177780, 7102226, 8355560, 14204452, 17755565, 28408904, 35511130, 71022260, 142044520]

約数ペア:

[(1, 142044520), (2, 71022260), (4, 35511130), (5, 28408904), (8, 17755565), (10, 14204452), (17, 8355560), (20, 7102226), (34, 4177780), (40, 3551113), (68, 2088890), (85, 1671112), (136, 1044445), (170, 835556), (340, 417778), (680, 208889)]