38400208

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 94279680

約数和(自身を除く): 55879472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 284, 308, 439, 497, 568, 616, 781, 878, 994, 1136, 1232, 1562, 1756, 1988, 3073, 3124, 3512, 3976, 4829, 5467, 6146, 6248, 7024, 7952, 9658, 10934, 12292, 12496, 19316, 21868, 24584, 31169, 33803, 38632, 43736, 49168, 62338, 67606, 77264, 87472, 124676, 135212, 218183, 249352, 270424, 342859, 436366, 498704, 540848, 685718, 872732, 1371436, 1745464, 2400013, 2742872, 3490928, 4800026, 5485744, 9600052, 19200104, 38400208]

約数ペア:

[(1, 38400208), (2, 19200104), (4, 9600052), (7, 5485744), (8, 4800026), (11, 3490928), (14, 2742872), (16, 2400013), (22, 1745464), (28, 1371436), (44, 872732), (56, 685718), (71, 540848), (77, 498704), (88, 436366), (112, 342859), (142, 270424), (154, 249352), (176, 218183), (284, 135212), (308, 124676), (439, 87472), (497, 77264), (568, 67606), (616, 62338), (781, 49168), (878, 43736), (994, 38632), (1136, 33803), (1232, 31169), (1562, 24584), (1756, 21868), (1988, 19316), (3073, 12496), (3124, 12292), (3512, 10934), (3976, 9658), (4829, 7952), (5467, 7024), (6146, 6248)]