219889740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1093}}^1$

素因数の和:1591

約数の個数: 96

約数和(自身を含む): 705761280

約数和(自身を除く): 485871540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 479, 958, 1093, 1437, 1916, 2186, 2395, 2874, 3279, 3353, 4372, 4790, 5465, 5748, 6558, 6706, 7185, 7651, 9580, 10059, 10930, 13116, 13412, 14370, 15302, 16395, 16765, 20118, 21860, 22953, 28740, 30604, 32790, 33530, 38255, 40236, 45906, 50295, 65580, 67060, 76510, 91812, 100590, 114765, 153020, 201180, 229530, 459060, 523547, 1047094, 1570641, 2094188, 2617735, 3141282, 3664829, 5235470, 6282564, 7329658, 7853205, 10470940, 10994487, 14659316, 15706410, 18324145, 21988974, 31412820, 36648290, 43977948, 54972435, 73296580, 109944870, 219889740]

約数ペア:

[(1, 219889740), (2, 109944870), (3, 73296580), (4, 54972435), (5, 43977948), (6, 36648290), (7, 31412820), (10, 21988974), (12, 18324145), (14, 15706410), (15, 14659316), (20, 10994487), (21, 10470940), (28, 7853205), (30, 7329658), (35, 6282564), (42, 5235470), (60, 3664829), (70, 3141282), (84, 2617735), (105, 2094188), (140, 1570641), (210, 1047094), (420, 523547), (479, 459060), (958, 229530), (1093, 201180), (1437, 153020), (1916, 114765), (2186, 100590), (2395, 91812), (2874, 76510), (3279, 67060), (3353, 65580), (4372, 50295), (4790, 45906), (5465, 40236), (5748, 38255), (6558, 33530), (6706, 32790), (7185, 30604), (7651, 28740), (9580, 22953), (10059, 21860), (10930, 20118), (13116, 16765), (13412, 16395), (14370, 15302)]