251105820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1093}}^1$

素因数の和:1659

約数の個数: 96

約数和(自身を含む): 805744128

約数和(自身を除く): 554638308

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, 547, 1093, 1094, 1641, 2186, 2188, 2735, 3279, 3282, 3829, 4372, 5465, 5470, 6558, 6564, 7651, 7658, 8205, 10930, 10940, 11487, 13116, 15302, 15316, 16395, 16410, 19145, 21860, 22953, 22974, 30604, 32790, 32820, 38255, 38290, 45906, 45948, 57435, 65580, 76510, 76580, 91812, 114765, 114870, 153020, 229530, 229740, 459060, 597871, 1195742, 1793613, 2391484, 2989355, 3587226, 4185097, 5978710, 7174452, 8370194, 8968065, 11957420, 12555291, 16740388, 17936130, 20925485, 25110582, 35872260, 41850970, 50221164, 62776455, 83701940, 125552910, 251105820]

約数ペア:

[(1, 251105820), (2, 125552910), (3, 83701940), (4, 62776455), (5, 50221164), (6, 41850970), (7, 35872260), (10, 25110582), (12, 20925485), (14, 17936130), (15, 16740388), (20, 12555291), (21, 11957420), (28, 8968065), (30, 8370194), (35, 7174452), (42, 5978710), (60, 4185097), (70, 3587226), (84, 2989355), (105, 2391484), (140, 1793613), (210, 1195742), (420, 597871), (547, 459060), (1093, 229740), (1094, 229530), (1641, 153020), (2186, 114870), (2188, 114765), (2735, 91812), (3279, 76580), (3282, 76510), (3829, 65580), (4372, 57435), (5465, 45948), (5470, 45906), (6558, 38290), (6564, 38255), (7651, 32820), (7658, 32790), (8205, 30604), (10930, 22974), (10940, 22953), (11487, 21860), (13116, 19145), (15302, 16410), (15316, 16395)]