217198730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{75679}}^1$

素因数の和:75734

約数の個数: 32

約数和(自身を含む): 457712640

約数和(自身を除く): 240513910

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 75679, 151358, 378395, 529753, 756790, 1059506, 2648765, 3102839, 5297530, 6205678, 15514195, 21719873, 31028390, 43439746, 108599365, 217198730]

約数ペア:

[(1, 217198730), (2, 108599365), (5, 43439746), (7, 31028390), (10, 21719873), (14, 15514195), (35, 6205678), (41, 5297530), (70, 3102839), (82, 2648765), (205, 1059506), (287, 756790), (410, 529753), (574, 378395), (1435, 151358), (2870, 75679)]