139818980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{3529}}^1$

素因数の和:3828

約数の個数: 48

約数和(自身を含む): 336846720

約数和(自身を除く): 197027740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3529, 3962, 5660, 7058, 7924, 9905, 14116, 17645, 19810, 24703, 35290, 39620, 49406, 70580, 98812, 123515, 247030, 494060, 998707, 1997414, 3994828, 4993535, 6990949, 9987070, 13981898, 19974140, 27963796, 34954745, 69909490, 139818980]

約数ペア:

[(1, 139818980), (2, 69909490), (4, 34954745), (5, 27963796), (7, 19974140), (10, 13981898), (14, 9987070), (20, 6990949), (28, 4993535), (35, 3994828), (70, 1997414), (140, 998707), (283, 494060), (566, 247030), (1132, 123515), (1415, 98812), (1981, 70580), (2830, 49406), (3529, 39620), (3962, 35290), (5660, 24703), (7058, 19810), (7924, 17645), (9905, 14116)]