197049580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15467}}^1$

素因数の和:15503

約数の個数: 72

約数和(自身を含む): 518425488

約数和(自身を除く): 321375908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 15467, 30934, 61868, 77335, 108269, 154670, 201071, 216538, 309340, 402142, 433076, 541345, 757883, 804284, 1005355, 1082690, 1407497, 1515766, 2010710, 2165380, 2814994, 3031532, 3789415, 4021420, 5629988, 7037485, 7578830, 9852479, 14074970, 15157660, 19704958, 28149940, 39409916, 49262395, 98524790, 197049580]

約数ペア:

[(1, 197049580), (2, 98524790), (4, 49262395), (5, 39409916), (7, 28149940), (10, 19704958), (13, 15157660), (14, 14074970), (20, 9852479), (26, 7578830), (28, 7037485), (35, 5629988), (49, 4021420), (52, 3789415), (65, 3031532), (70, 2814994), (91, 2165380), (98, 2010710), (130, 1515766), (140, 1407497), (182, 1082690), (196, 1005355), (245, 804284), (260, 757883), (364, 541345), (455, 433076), (490, 402142), (637, 309340), (910, 216538), (980, 201071), (1274, 154670), (1820, 108269), (2548, 77335), (3185, 61868), (6370, 30934), (12740, 15467)]