77458670

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{397}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 141847200

約数和(自身を除く): 64388530

約数列:

[1, 2, 5, 10, 109, 179, 218, 358, 397, 545, 794, 895, 1090, 1790, 1985, 3970, 19511, 39022, 43273, 71063, 86546, 97555, 142126, 195110, 216365, 355315, 432730, 710630, 7745867, 15491734, 38729335, 77458670]

約数ペア:

[(1, 77458670), (2, 38729335), (5, 15491734), (10, 7745867), (109, 710630), (179, 432730), (218, 355315), (358, 216365), (397, 195110), (545, 142126), (794, 97555), (895, 86546), (1090, 71063), (1790, 43273), (1985, 39022), (3970, 19511)]