319904872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 713687040

約数和(自身を除く): 393782168

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 127, 217, 248, 254, 434, 508, 868, 889, 1016, 1451, 1736, 1778, 2902, 3556, 3937, 5804, 7112, 7874, 10157, 11608, 15748, 20314, 27559, 31496, 40628, 44981, 55118, 81256, 89962, 110236, 179924, 184277, 220472, 314867, 359848, 368554, 629734, 737108, 1259468, 1289939, 1474216, 2518936, 2579878, 5159756, 5712587, 10319512, 11425174, 22850348, 39988109, 45700696, 79976218, 159952436, 319904872]

約数ペア:

[(1, 319904872), (2, 159952436), (4, 79976218), (7, 45700696), (8, 39988109), (14, 22850348), (28, 11425174), (31, 10319512), (56, 5712587), (62, 5159756), (124, 2579878), (127, 2518936), (217, 1474216), (248, 1289939), (254, 1259468), (434, 737108), (508, 629734), (868, 368554), (889, 359848), (1016, 314867), (1451, 220472), (1736, 184277), (1778, 179924), (2902, 110236), (3556, 89962), (3937, 81256), (5804, 55118), (7112, 44981), (7874, 40628), (10157, 31496), (11608, 27559), (15748, 20314)]