290213144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 620524800

約数和(自身を除く): 330311656

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 227, 247, 454, 494, 647, 908, 988, 1294, 1816, 1976, 2588, 2951, 4313, 5176, 5902, 8411, 8626, 11804, 12293, 16822, 17252, 23608, 24586, 33644, 34504, 49172, 56069, 67288, 98344, 112138, 146869, 159809, 224276, 293738, 319618, 448552, 587476, 639236, 1174952, 1278472, 1909297, 2790511, 3818594, 5581022, 7637188, 11162044, 15274376, 22324088, 36276643, 72553286, 145106572, 290213144]

約数ペア:

[(1, 290213144), (2, 145106572), (4, 72553286), (8, 36276643), (13, 22324088), (19, 15274376), (26, 11162044), (38, 7637188), (52, 5581022), (76, 3818594), (104, 2790511), (152, 1909297), (227, 1278472), (247, 1174952), (454, 639236), (494, 587476), (647, 448552), (908, 319618), (988, 293738), (1294, 224276), (1816, 159809), (1976, 146869), (2588, 112138), (2951, 98344), (4313, 67288), (5176, 56069), (5902, 49172), (8411, 34504), (8626, 33644), (11804, 24586), (12293, 23608), (16822, 17252)]