30845990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:91

約数の個数: 96

約数和(自身を含む): 71668800

約数和(自身を除く): 40822810

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 49, 70, 85, 98, 115, 119, 161, 170, 230, 238, 245, 322, 343, 391, 490, 529, 595, 686, 782, 805, 833, 1058, 1127, 1190, 1610, 1666, 1715, 1955, 2254, 2645, 2737, 3430, 3703, 3910, 4165, 5290, 5474, 5635, 5831, 7406, 7889, 8330, 8993, 11270, 11662, 13685, 15778, 17986, 18515, 19159, 25921, 27370, 29155, 37030, 38318, 39445, 44965, 51842, 58310, 62951, 78890, 89930, 95795, 125902, 129605, 134113, 181447, 191590, 259210, 268226, 314755, 362894, 440657, 629510, 670565, 881314, 907235, 1341130, 1814470, 2203285, 3084599, 4406570, 6169198, 15422995, 30845990]

約数ペア:

[(1, 30845990), (2, 15422995), (5, 6169198), (7, 4406570), (10, 3084599), (14, 2203285), (17, 1814470), (23, 1341130), (34, 907235), (35, 881314), (46, 670565), (49, 629510), (70, 440657), (85, 362894), (98, 314755), (115, 268226), (119, 259210), (161, 191590), (170, 181447), (230, 134113), (238, 129605), (245, 125902), (322, 95795), (343, 89930), (391, 78890), (490, 62951), (529, 58310), (595, 51842), (686, 44965), (782, 39445), (805, 38318), (833, 37030), (1058, 29155), (1127, 27370), (1190, 25921), (1610, 19159), (1666, 18515), (1715, 17986), (1955, 15778), (2254, 13685), (2645, 11662), (2737, 11270), (3430, 8993), (3703, 8330), (3910, 7889), (4165, 7406), (5290, 5831), (5474, 5635)]