205734724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 420396480

約数和(自身を除く): 214661756

約数列:

[1, 2, 4, 13, 23, 26, 31, 46, 52, 62, 92, 124, 179, 299, 358, 403, 598, 713, 716, 806, 961, 1196, 1426, 1612, 1922, 2327, 2852, 3844, 4117, 4654, 5549, 8234, 9269, 9308, 11098, 12493, 16468, 18538, 22103, 22196, 24986, 37076, 44206, 49972, 53521, 72137, 88412, 107042, 127627, 144274, 172019, 214084, 255254, 287339, 288548, 344038, 510508, 574678, 688076, 1149356, 1659151, 2236247, 3318302, 3956437, 4472494, 6636604, 7912874, 8944988, 15825748, 51433681, 102867362, 205734724]

約数ペア:

[(1, 205734724), (2, 102867362), (4, 51433681), (13, 15825748), (23, 8944988), (26, 7912874), (31, 6636604), (46, 4472494), (52, 3956437), (62, 3318302), (92, 2236247), (124, 1659151), (179, 1149356), (299, 688076), (358, 574678), (403, 510508), (598, 344038), (713, 288548), (716, 287339), (806, 255254), (961, 214084), (1196, 172019), (1426, 144274), (1612, 127627), (1922, 107042), (2327, 88412), (2852, 72137), (3844, 53521), (4117, 49972), (4654, 44206), (5549, 37076), (8234, 24986), (9269, 22196), (9308, 22103), (11098, 18538), (12493, 16468)]