205459730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 447448320

約数和(自身を除く): 241988590

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 241, 266, 482, 641, 665, 1205, 1282, 1330, 1687, 2410, 3205, 3374, 4487, 4579, 6410, 8435, 8974, 9158, 12179, 16870, 22435, 22895, 24358, 32053, 44870, 45790, 60895, 64106, 85253, 121790, 154481, 160265, 170506, 308962, 320530, 426265, 772405, 852530, 1081367, 1544810, 2162734, 2935139, 5406835, 5870278, 10813670, 14675695, 20545973, 29351390, 41091946, 102729865, 205459730]

約数ペア:

[(1, 205459730), (2, 102729865), (5, 41091946), (7, 29351390), (10, 20545973), (14, 14675695), (19, 10813670), (35, 5870278), (38, 5406835), (70, 2935139), (95, 2162734), (133, 1544810), (190, 1081367), (241, 852530), (266, 772405), (482, 426265), (641, 320530), (665, 308962), (1205, 170506), (1282, 160265), (1330, 154481), (1687, 121790), (2410, 85253), (3205, 64106), (3374, 60895), (4487, 45790), (4579, 44870), (6410, 32053), (8435, 24358), (8974, 22895), (9158, 22435), (12179, 16870)]