388250705920

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:129

約数の個数: 1008

約数和(自身を含む): 1275149965824

約数和(自身を除く): 886899259904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 31, 32, 35, 38, 40, 44, 55, 56, 62, 64, 70, 76, 77, 80, 88, 95, 110, 112, 121, 124, 128, 133, 140, 152, 154, 155, 160, 176, 190, 209, 217, 220, 224, 242, 248, 256, 266, 280, 304, 308, 310, 320, 341, 352, 361, 380, 385, 418, 434, 440, 448, 484, 496, 512, 532, 560, 589, 605, 608, 616, 620, 640, 665, 682, 704, 722, 760, 770, 836, 847, 868, 880, 896, 968, 992, 1024, 1045, 1064, 1085, 1120, 1178, 1210, 1216, 1232, 1240, 1280, 1330, 1364, 1408, 1444, 1463, 1520, 1540, 1672, 1694, 1705, 1736, 1760, 1792, 1805, 1936, 1984, 2048, 2090, 2128, 2170, 2240, 2299, 2356, 2387, 2420, 2432, 2464, 2480, 2527, 2560, 2660, 2728, 2816, 2888, 2926, 2945, 3040, 3080, 3344, 3388, 3410, 3472, 3520, 3584, 3610, 3751, 3872, 3968, 3971, 4096, 4123, 4180, 4235, 4256, 4340, 4480, 4598, 4712, 4774, 4840, 4864, 4928, 4960, 5054, 5120, 5320, 5456, 5632, 5776, 5852, 5890, 6080, 6160, 6479, 6688, 6776, 6820, 6944, 7040, 7168, 7220, 7315, 7502, 7744, 7936, 7942, 8192, 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約数ペア:

[(1, 388250705920), (2, 194125352960), (4, 97062676480), (5, 77650141184), (7, 55464386560), (8, 48531338240), (10, 38825070592), (11, 35295518720), (14, 27732193280), (16, 24265669120), (19, 20434247680), (20, 19412535296), (22, 17647759360), (28, 13866096640), (31, 12524216320), (32, 12132834560), (35, 11092877312), (38, 10217123840), (40, 9706267648), (44, 8823879680), (55, 7059103744), (56, 6933048320), (62, 6262108160), (64, 6066417280), (70, 5546438656), (76, 5108561920), (77, 5042216960), (80, 4853133824), (88, 4411939840), (95, 4086849536), (110, 3529551872), (112, 3466524160), (121, 3208683520), (124, 3131054080), (128, 3033208640), (133, 2919178240), (140, 2773219328), (152, 2554280960), (154, 2521108480), (155, 2504843264), (160, 2426566912), (176, 2205969920), (190, 2043424768), (209, 1857658880), (217, 1789173760), (220, 1764775936), (224, 1733262080), (242, 1604341760), (248, 1565527040), (256, 1516604320), (266, 1459589120), (280, 1386609664), (304, 1277140480), (308, 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