211717140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 610122240

約数和(自身を除く): 398405100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 193, 235, 282, 386, 389, 470, 564, 579, 705, 772, 778, 940, 965, 1158, 1167, 1410, 1556, 1930, 1945, 2316, 2334, 2820, 2895, 3860, 3890, 4668, 5790, 5835, 7780, 9071, 11580, 11670, 18142, 18283, 23340, 27213, 36284, 36566, 45355, 54426, 54849, 73132, 75077, 90710, 91415, 108852, 109698, 136065, 150154, 181420, 182830, 219396, 225231, 272130, 274245, 300308, 365660, 375385, 450462, 544260, 548490, 750770, 900924, 1096980, 1126155, 1501540, 2252310, 3528619, 4504620, 7057238, 10585857, 14114476, 17643095, 21171714, 35286190, 42343428, 52929285, 70572380, 105858570, 211717140]

約数ペア:

[(1, 211717140), (2, 105858570), (3, 70572380), (4, 52929285), (5, 42343428), (6, 35286190), (10, 21171714), (12, 17643095), (15, 14114476), (20, 10585857), (30, 7057238), (47, 4504620), (60, 3528619), (94, 2252310), (141, 1501540), (188, 1126155), (193, 1096980), (235, 900924), (282, 750770), (386, 548490), (389, 544260), (470, 450462), (564, 375385), (579, 365660), (705, 300308), (772, 274245), (778, 272130), (940, 225231), (965, 219396), (1158, 182830), (1167, 181420), (1410, 150154), (1556, 136065), (1930, 109698), (1945, 108852), (2316, 91415), (2334, 90710), (2820, 75077), (2895, 73132), (3860, 54849), (3890, 54426), (4668, 45355), (5790, 36566), (5835, 36284), (7780, 27213), (9071, 23340), (11580, 18283), (11670, 18142)]