78312490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{412171}}^1$

素因数の和:412197

約数の個数: 16

約数和(自身を含む): 148381920

約数和(自身を除く): 70069430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 412171, 824342, 2060855, 4121710, 7831249, 15662498, 39156245, 78312490]

約数ペア:

[(1, 78312490), (2, 39156245), (5, 15662498), (10, 7831249), (19, 4121710), (38, 2060855), (95, 824342), (190, 412171)]