82209820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 227372544

約数和(自身を除く): 145162724

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, 211, 220, 230, 242, 253, 308, 322, 385, 422, 460, 484, 506, 605, 644, 770, 805, 844, 847, 1012, 1055, 1210, 1265, 1477, 1540, 1610, 1694, 1771, 2110, 2321, 2420, 2530, 2783, 2954, 3220, 3388, 3542, 4220, 4235, 4642, 4853, 5060, 5566, 5908, 7084, 7385, 8470, 8855, 9284, 9706, 11132, 11605, 13915, 14770, 16247, 16940, 17710, 19412, 19481, 23210, 24265, 25531, 27830, 29540, 32494, 33971, 35420, 38962, 46420, 48530, 51062, 53383, 55660, 64988, 67942, 77924, 81235, 97060, 97405, 102124, 106766, 127655, 135884, 162470, 169855, 178717, 194810, 213532, 255310, 266915, 324940, 339710, 357434, 373681, 389620, 510620, 533830, 587213, 679420, 714868, 747362, 893585, 1067660, 1174426, 1494724, 1787170, 1868405, 2348852, 2936065, 3574340, 3736810, 4110491, 5872130, 7473620, 8220982, 11744260, 16441964, 20552455, 41104910, 82209820]

約数ペア:

[(1, 82209820), (2, 41104910), (4, 20552455), (5, 16441964), (7, 11744260), (10, 8220982), (11, 7473620), (14, 5872130), (20, 4110491), (22, 3736810), (23, 3574340), (28, 2936065), (35, 2348852), (44, 1868405), (46, 1787170), (55, 1494724), (70, 1174426), (77, 1067660), (92, 893585), (110, 747362), (115, 714868), (121, 679420), (140, 587213), (154, 533830), (161, 510620), (211, 389620), (220, 373681), (230, 357434), (242, 339710), (253, 324940), (308, 266915), (322, 255310), (385, 213532), (422, 194810), (460, 178717), (484, 169855), (506, 162470), (605, 135884), (644, 127655), (770, 106766), (805, 102124), (844, 97405), (847, 97060), (1012, 81235), (1055, 77924), (1210, 67942), (1265, 64988), (1477, 55660), (1540, 53383), (1610, 51062), (1694, 48530), (1771, 46420), (2110, 38962), (2321, 35420), (2420, 33971), (2530, 32494), (2783, 29540), (2954, 27830), (3220, 25531), (3388, 24265), (3542, 23210), (4220, 19481), (4235, 19412), (4642, 17710), (4853, 16940), (5060, 16247), (5566, 14770), (5908, 13915), (7084, 11605), (7385, 11132), (8470, 9706), (8855, 9284)]