290793568

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3216

約数の個数: 72

約数和(自身を含む): 656599608

約数和(自身を除く): 365806040

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 884, 1352, 1768, 2704, 2873, 3163, 3536, 5408, 5746, 6326, 7072, 11492, 12652, 22984, 25304, 41119, 45968, 50608, 53771, 82238, 91936, 101216, 107542, 164476, 215084, 328952, 430168, 534547, 657904, 699023, 860336, 1069094, 1315808, 1398046, 1720672, 2138188, 2796092, 4276376, 5592184, 8552752, 9087299, 11184368, 17105504, 18174598, 22368736, 36349196, 72698392, 145396784, 290793568]

約数ペア:

[(1, 290793568), (2, 145396784), (4, 72698392), (8, 36349196), (13, 22368736), (16, 18174598), (17, 17105504), (26, 11184368), (32, 9087299), (34, 8552752), (52, 5592184), (68, 4276376), (104, 2796092), (136, 2138188), (169, 1720672), (208, 1398046), (221, 1315808), (272, 1069094), (338, 860336), (416, 699023), (442, 657904), (544, 534547), (676, 430168), (884, 328952), (1352, 215084), (1768, 164476), (2704, 107542), (2873, 101216), (3163, 91936), (3536, 82238), (5408, 53771), (5746, 50608), (6326, 45968), (7072, 41119), (11492, 25304), (12652, 22984)]