388263040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 128

約数和(自身を含む): 1022725440

約数和(自身を除く): 634462400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 131, 160, 176, 220, 262, 320, 352, 421, 440, 524, 640, 655, 704, 842, 880, 1048, 1310, 1408, 1441, 1684, 1760, 2096, 2105, 2620, 2882, 3368, 3520, 4192, 4210, 4631, 5240, 5764, 6736, 7040, 7205, 8384, 8420, 9262, 10480, 11528, 13472, 14410, 16768, 16840, 18524, 20960, 23056, 23155, 26944, 28820, 33680, 37048, 41920, 46112, 46310, 53888, 55151, 57640, 67360, 74096, 83840, 92224, 92620, 110302, 115280, 134720, 148192, 184448, 185240, 220604, 230560, 269440, 275755, 296384, 370480, 441208, 461120, 551510, 592768, 606661, 740960, 882416, 922240, 1103020, 1213322, 1481920, 1764832, 2206040, 2426644, 2963840, 3033305, 3529664, 4412080, 4853288, 6066610, 7059328, 8824160, 9706576, 12133220, 17648320, 19413152, 24266440, 35296640, 38826304, 48532880, 77652608, 97065760, 194131520, 388263040]

約数ペア:

[(1, 388263040), (2, 194131520), (4, 97065760), (5, 77652608), (8, 48532880), (10, 38826304), (11, 35296640), (16, 24266440), (20, 19413152), (22, 17648320), (32, 12133220), (40, 9706576), (44, 8824160), (55, 7059328), (64, 6066610), (80, 4853288), (88, 4412080), (110, 3529664), (128, 3033305), (131, 2963840), (160, 2426644), (176, 2206040), (220, 1764832), (262, 1481920), (320, 1213322), (352, 1103020), (421, 922240), (440, 882416), (524, 740960), (640, 606661), (655, 592768), (704, 551510), (842, 461120), (880, 441208), (1048, 370480), (1310, 296384), (1408, 275755), (1441, 269440), (1684, 230560), (1760, 220604), (2096, 185240), (2105, 184448), (2620, 148192), (2882, 134720), (3368, 115280), (3520, 110302), (4192, 92620), (4210, 92224), (4631, 83840), (5240, 74096), (5764, 67360), (6736, 57640), (7040, 55151), (7205, 53888), (8384, 46310), (8420, 46112), (9262, 41920), (10480, 37048), (11528, 33680), (13472, 28820), (14410, 26944), (16768, 23155), (16840, 23056), (18524, 20960)]