208286820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3119}}^1$

素因数の和:3194

約数の個数: 144

約数和(自身を含む): 735920640

約数和(自身を除く): 527633820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3119, 3180, 3339, 3710, 4452, 4770, 5565, 6238, 6678, 7420, 9357, 9540, 11130, 12476, 13356, 15595, 16695, 18714, 21833, 22260, 28071, 31190, 33390, 37428, 43666, 46785, 56142, 62380, 65499, 66780, 87332, 93570, 109165, 112284, 130998, 140355, 165307, 187140, 196497, 218330, 261996, 280710, 327495, 330614, 392994, 436660, 495921, 561420, 654990, 661228, 785988, 826535, 982485, 991842, 1157149, 1309980, 1487763, 1653070, 1964970, 1983684, 2314298, 2479605, 2975526, 3306140, 3471447, 3929940, 4628596, 4959210, 5785745, 5951052, 6942894, 7438815, 9918420, 10414341, 11571490, 13885788, 14877630, 17357235, 20828682, 23142980, 29755260, 34714470, 41657364, 52071705, 69428940, 104143410, 208286820]

約数ペア:

[(1, 208286820), (2, 104143410), (3, 69428940), (4, 52071705), (5, 41657364), (6, 34714470), (7, 29755260), (9, 23142980), (10, 20828682), (12, 17357235), (14, 14877630), (15, 13885788), (18, 11571490), (20, 10414341), (21, 9918420), (28, 7438815), (30, 6942894), (35, 5951052), (36, 5785745), (42, 4959210), (45, 4628596), (53, 3929940), (60, 3471447), (63, 3306140), (70, 2975526), (84, 2479605), (90, 2314298), (105, 1983684), (106, 1964970), (126, 1653070), (140, 1487763), (159, 1309980), (180, 1157149), (210, 991842), (212, 982485), (252, 826535), (265, 785988), (315, 661228), (318, 654990), (371, 561420), (420, 495921), (477, 436660), (530, 392994), (630, 330614), (636, 327495), (742, 280710), (795, 261996), (954, 218330), (1060, 196497), (1113, 187140), (1260, 165307), (1484, 140355), (1590, 130998), (1855, 112284), (1908, 109165), (2226, 93570), (2385, 87332), (3119, 66780), (3180, 65499), (3339, 62380), (3710, 56142), (4452, 46785), (4770, 43666), (5565, 37428), (6238, 33390), (6678, 31190), (7420, 28071), (9357, 22260), (9540, 21833), (11130, 18714), (12476, 16695), (13356, 15595)]