213122140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 144

約数和(自身を含む): 587736576

約数和(自身を除く): 374614436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 220, 230, 242, 253, 308, 322, 385, 460, 484, 506, 547, 605, 644, 770, 805, 847, 1012, 1094, 1210, 1265, 1540, 1610, 1694, 1771, 2188, 2420, 2530, 2735, 2783, 3220, 3388, 3542, 3829, 4235, 5060, 5470, 5566, 6017, 7084, 7658, 8470, 8855, 10940, 11132, 12034, 12581, 13915, 15316, 16940, 17710, 19145, 19481, 24068, 25162, 27830, 30085, 35420, 38290, 38962, 42119, 50324, 55660, 60170, 62905, 66187, 76580, 77924, 84238, 88067, 97405, 120340, 125810, 132374, 138391, 168476, 176134, 194810, 210595, 251620, 264748, 276782, 330935, 352268, 389620, 421190, 440335, 463309, 553564, 661870, 691955, 842380, 880670, 926618, 968737, 1323740, 1383910, 1522301, 1761340, 1853236, 1937474, 2316545, 2767820, 3044602, 3874948, 4633090, 4843685, 6089204, 7611505, 9266180, 9687370, 10656107, 15223010, 19374740, 21312214, 30446020, 42624428, 53280535, 106561070, 213122140]

約数ペア:

[(1, 213122140), (2, 106561070), (4, 53280535), (5, 42624428), (7, 30446020), (10, 21312214), (11, 19374740), (14, 15223010), (20, 10656107), (22, 9687370), (23, 9266180), (28, 7611505), (35, 6089204), (44, 4843685), (46, 4633090), (55, 3874948), (70, 3044602), (77, 2767820), (92, 2316545), (110, 1937474), (115, 1853236), (121, 1761340), (140, 1522301), (154, 1383910), (161, 1323740), (220, 968737), (230, 926618), (242, 880670), (253, 842380), (308, 691955), (322, 661870), (385, 553564), (460, 463309), (484, 440335), (506, 421190), (547, 389620), (605, 352268), (644, 330935), (770, 276782), (805, 264748), (847, 251620), (1012, 210595), (1094, 194810), (1210, 176134), (1265, 168476), (1540, 138391), (1610, 132374), (1694, 125810), (1771, 120340), (2188, 97405), (2420, 88067), (2530, 84238), (2735, 77924), (2783, 76580), (3220, 66187), (3388, 62905), (3542, 60170), (3829, 55660), (4235, 50324), (5060, 42119), (5470, 38962), (5566, 38290), (6017, 35420), (7084, 30085), (7658, 27830), (8470, 25162), (8855, 24068), (10940, 19481), (11132, 19145), (12034, 17710), (12581, 16940), (13915, 15316)]