312866470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 735321888

約数和(自身を除く): 422455418

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 49, 70, 71, 85, 98, 115, 119, 142, 161, 170, 230, 238, 245, 322, 355, 391, 490, 497, 529, 595, 710, 782, 805, 833, 994, 1058, 1127, 1190, 1207, 1610, 1633, 1666, 1955, 2254, 2414, 2485, 2645, 2737, 3266, 3479, 3703, 3910, 4165, 4970, 5290, 5474, 5635, 6035, 6958, 7406, 8165, 8330, 8449, 8993, 11270, 11431, 12070, 13685, 16330, 16898, 17395, 17986, 18515, 19159, 22862, 25921, 27370, 27761, 34790, 37030, 37559, 38318, 42245, 44965, 51842, 55522, 57155, 59143, 62951, 75118, 80017, 84490, 89930, 95795, 114310, 118286, 125902, 129605, 138805, 160034, 187795, 191590, 194327, 259210, 262913, 277610, 295715, 314755, 375590, 388654, 400085, 440657, 525826, 591430, 629510, 638503, 800170, 881314, 971635, 1277006, 1314565, 1360289, 1840391, 1943270, 2203285, 2629130, 2720578, 3192515, 3680782, 4406570, 4469521, 6385030, 6801445, 8939042, 9201955, 13602890, 18403910, 22347605, 31286647, 44695210, 62573294, 156433235, 312866470]

約数ペア:

[(1, 312866470), (2, 156433235), (5, 62573294), (7, 44695210), (10, 31286647), (14, 22347605), (17, 18403910), (23, 13602890), (34, 9201955), (35, 8939042), (46, 6801445), (49, 6385030), (70, 4469521), (71, 4406570), (85, 3680782), (98, 3192515), (115, 2720578), (119, 2629130), (142, 2203285), (161, 1943270), (170, 1840391), (230, 1360289), (238, 1314565), (245, 1277006), (322, 971635), (355, 881314), (391, 800170), (490, 638503), (497, 629510), (529, 591430), (595, 525826), (710, 440657), (782, 400085), (805, 388654), (833, 375590), (994, 314755), (1058, 295715), (1127, 277610), (1190, 262913), (1207, 259210), (1610, 194327), (1633, 191590), (1666, 187795), (1955, 160034), (2254, 138805), (2414, 129605), (2485, 125902), (2645, 118286), (2737, 114310), (3266, 95795), (3479, 89930), (3703, 84490), (3910, 80017), (4165, 75118), (4970, 62951), (5290, 59143), (5474, 57155), (5635, 55522), (6035, 51842), (6958, 44965), (7406, 42245), (8165, 38318), (8330, 37559), (8449, 37030), (8993, 34790), (11270, 27761), (11431, 27370), (12070, 25921), (13685, 22862), (16330, 19159), (16898, 18515), (17395, 17986)]