135804620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20639}}^1$

素因数の和:20702

約数の個数: 48

約数和(自身を含む): 332881920

約数和(自身を除く): 197077300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 20639, 41278, 82556, 103195, 144473, 206390, 288946, 412780, 577892, 722365, 970033, 1444730, 1940066, 2889460, 3880132, 4850165, 6790231, 9700330, 13580462, 19400660, 27160924, 33951155, 67902310, 135804620]

約数ペア:

[(1, 135804620), (2, 67902310), (4, 33951155), (5, 27160924), (7, 19400660), (10, 13580462), (14, 9700330), (20, 6790231), (28, 4850165), (35, 3880132), (47, 2889460), (70, 1940066), (94, 1444730), (140, 970033), (188, 722365), (235, 577892), (329, 412780), (470, 288946), (658, 206390), (940, 144473), (1316, 103195), (1645, 82556), (3290, 41278), (6580, 20639)]