268998044

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 564026400

約数和(自身を除く): 295028356

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 149, 151, 196, 244, 298, 302, 427, 596, 604, 854, 1043, 1057, 1708, 2086, 2114, 2989, 4172, 4228, 5978, 7301, 7399, 9089, 9211, 11956, 14602, 14798, 18178, 18422, 22499, 29204, 29596, 36356, 36844, 44998, 63623, 64477, 89996, 127246, 128954, 157493, 254492, 257908, 314986, 445361, 451339, 629972, 890722, 902678, 1102451, 1372439, 1781444, 1805356, 2204902, 2744878, 4409804, 5489756, 9607073, 19214146, 38428292, 67249511, 134499022, 268998044]

約数ペア:

[(1, 268998044), (2, 134499022), (4, 67249511), (7, 38428292), (14, 19214146), (28, 9607073), (49, 5489756), (61, 4409804), (98, 2744878), (122, 2204902), (149, 1805356), (151, 1781444), (196, 1372439), (244, 1102451), (298, 902678), (302, 890722), (427, 629972), (596, 451339), (604, 445361), (854, 314986), (1043, 257908), (1057, 254492), (1708, 157493), (2086, 128954), (2114, 127246), (2989, 89996), (4172, 64477), (4228, 63623), (5978, 44998), (7301, 36844), (7399, 36356), (9089, 29596), (9211, 29204), (11956, 22499), (14602, 18422), (14798, 18178)]