1392985840

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{74731}}^1$

素因数の和:74977

約数の個数: 40

約数和(自身を含む): 3252635568

約数和(自身を除く): 1859649728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 18640, 74731, 149462, 298924, 373655, 597848, 747310, 1195696, 1494620, 2989240, 5978480, 17412323, 34824646, 69649292, 87061615, 139298584, 174123230, 278597168, 348246460, 696492920, 1392985840]

約数ペア:

[(1, 1392985840), (2, 696492920), (4, 348246460), (5, 278597168), (8, 174123230), (10, 139298584), (16, 87061615), (20, 69649292), (40, 34824646), (80, 17412323), (233, 5978480), (466, 2989240), (932, 1494620), (1165, 1195696), (1864, 747310), (2330, 597848), (3728, 373655), (4660, 298924), (9320, 149462), (18640, 74731)]