134156920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 311623200

約数和(自身を除く): 177466280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 179, 205, 328, 358, 410, 457, 716, 820, 895, 914, 1432, 1640, 1790, 1828, 2285, 3580, 3656, 4570, 7160, 7339, 9140, 14678, 18280, 18737, 29356, 36695, 37474, 58712, 73390, 74948, 81803, 93685, 146780, 149896, 163606, 187370, 293560, 327212, 374740, 409015, 654424, 749480, 818030, 1636060, 3272120, 3353923, 6707846, 13415692, 16769615, 26831384, 33539230, 67078460, 134156920]

約数ペア:

[(1, 134156920), (2, 67078460), (4, 33539230), (5, 26831384), (8, 16769615), (10, 13415692), (20, 6707846), (40, 3353923), (41, 3272120), (82, 1636060), (164, 818030), (179, 749480), (205, 654424), (328, 409015), (358, 374740), (410, 327212), (457, 293560), (716, 187370), (820, 163606), (895, 149896), (914, 146780), (1432, 93685), (1640, 81803), (1790, 74948), (1828, 73390), (2285, 58712), (3580, 37474), (3656, 36695), (4570, 29356), (7160, 18737), (7339, 18280), (9140, 14678)]