280867626

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1249}}^1$

素因数の和:1332

約数の個数: 72

約数和(自身を含む): 677722500

約数和(自身を除く): 396854874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 961, 1209, 1249, 1922, 2418, 2498, 2883, 3627, 3747, 5766, 7254, 7494, 8649, 11241, 12493, 16237, 17298, 22482, 24986, 32474, 37479, 38719, 48711, 74958, 77438, 97422, 112437, 116157, 146133, 224874, 232314, 292266, 348471, 503347, 696942, 1006694, 1200289, 1510041, 2400578, 3020082, 3600867, 4530123, 7201734, 9060246, 10802601, 15603757, 21605202, 31207514, 46811271, 93622542, 140433813, 280867626]

約数ペア:

[(1, 280867626), (2, 140433813), (3, 93622542), (6, 46811271), (9, 31207514), (13, 21605202), (18, 15603757), (26, 10802601), (31, 9060246), (39, 7201734), (62, 4530123), (78, 3600867), (93, 3020082), (117, 2400578), (186, 1510041), (234, 1200289), (279, 1006694), (403, 696942), (558, 503347), (806, 348471), (961, 292266), (1209, 232314), (1249, 224874), (1922, 146133), (2418, 116157), (2498, 112437), (2883, 97422), (3627, 77438), (3747, 74958), (5766, 48711), (7254, 38719), (7494, 37479), (8649, 32474), (11241, 24986), (12493, 22482), (16237, 17298)]