26668740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 89171712

約数和(自身を除く): 62502972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 193, 196, 210, 235, 245, 282, 294, 329, 386, 420, 470, 490, 564, 579, 588, 658, 705, 735, 772, 940, 965, 980, 987, 1158, 1316, 1351, 1410, 1470, 1645, 1930, 1974, 2303, 2316, 2702, 2820, 2895, 2940, 3290, 3860, 3948, 4053, 4606, 4935, 5404, 5790, 6580, 6755, 6909, 8106, 9071, 9212, 9457, 9870, 11515, 11580, 13510, 13818, 16212, 18142, 18914, 19740, 20265, 23030, 27020, 27213, 27636, 28371, 34545, 36284, 37828, 40530, 45355, 46060, 47285, 54426, 56742, 63497, 69090, 81060, 90710, 94570, 108852, 113484, 126994, 136065, 138180, 141855, 181420, 189140, 190491, 253988, 272130, 283710, 317485, 380982, 444479, 544260, 567420, 634970, 761964, 888958, 952455, 1269940, 1333437, 1777916, 1904910, 2222395, 2666874, 3809820, 4444790, 5333748, 6667185, 8889580, 13334370, 26668740]

約数ペア:

[(1, 26668740), (2, 13334370), (3, 8889580), (4, 6667185), (5, 5333748), (6, 4444790), (7, 3809820), (10, 2666874), (12, 2222395), (14, 1904910), (15, 1777916), (20, 1333437), (21, 1269940), (28, 952455), (30, 888958), (35, 761964), (42, 634970), (47, 567420), (49, 544260), (60, 444479), (70, 380982), (84, 317485), (94, 283710), (98, 272130), (105, 253988), (140, 190491), (141, 189140), (147, 181420), (188, 141855), (193, 138180), (196, 136065), (210, 126994), (235, 113484), (245, 108852), (282, 94570), (294, 90710), (329, 81060), (386, 69090), (420, 63497), (470, 56742), (490, 54426), (564, 47285), (579, 46060), (588, 45355), (658, 40530), (705, 37828), (735, 36284), (772, 34545), (940, 28371), (965, 27636), (980, 27213), (987, 27020), (1158, 23030), (1316, 20265), (1351, 19740), (1410, 18914), (1470, 18142), (1645, 16212), (1930, 13818), (1974, 13510), (2303, 11580), (2316, 11515), (2702, 9870), (2820, 9457), (2895, 9212), (2940, 9071), (3290, 8106), (3860, 6909), (3948, 6755), (4053, 6580), (4606, 5790), (4935, 5404)]