212365872

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 120

約数和(自身を含む): 620400768

約数和(自身を除く): 408034896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 113, 124, 144, 186, 226, 248, 279, 339, 372, 421, 452, 496, 558, 678, 744, 842, 904, 1017, 1116, 1263, 1356, 1488, 1684, 1808, 2034, 2232, 2526, 2712, 3368, 3503, 3789, 4068, 4464, 5052, 5424, 6736, 7006, 7578, 8136, 10104, 10509, 13051, 14012, 15156, 16272, 20208, 21018, 26102, 28024, 30312, 31527, 39153, 42036, 47573, 52204, 56048, 60624, 63054, 78306, 84072, 95146, 104408, 117459, 126108, 142719, 156612, 168144, 190292, 208816, 234918, 252216, 285438, 313224, 380584, 428157, 469836, 504432, 570876, 626448, 761168, 856314, 939672, 1141752, 1474763, 1712628, 1879344, 2283504, 2949526, 3425256, 4424289, 5899052, 6850512, 8848578, 11798104, 13272867, 17697156, 23596208, 26545734, 35394312, 53091468, 70788624, 106182936, 212365872]

約数ペア:

[(1, 212365872), (2, 106182936), (3, 70788624), (4, 53091468), (6, 35394312), (8, 26545734), (9, 23596208), (12, 17697156), (16, 13272867), (18, 11798104), (24, 8848578), (31, 6850512), (36, 5899052), (48, 4424289), (62, 3425256), (72, 2949526), (93, 2283504), (113, 1879344), (124, 1712628), (144, 1474763), (186, 1141752), (226, 939672), (248, 856314), (279, 761168), (339, 626448), (372, 570876), (421, 504432), (452, 469836), (496, 428157), (558, 380584), (678, 313224), (744, 285438), (842, 252216), (904, 234918), (1017, 208816), (1116, 190292), (1263, 168144), (1356, 156612), (1488, 142719), (1684, 126108), (1808, 117459), (2034, 104408), (2232, 95146), (2526, 84072), (2712, 78306), (3368, 63054), (3503, 60624), (3789, 56048), (4068, 52204), (4464, 47573), (5052, 42036), (5424, 39153), (6736, 31527), (7006, 30312), (7578, 28024), (8136, 26102), (10104, 21018), (10509, 20208), (13051, 16272), (14012, 15156)]