17377780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 45158400

約数和(自身を除く): 27780620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 133, 139, 140, 188, 190, 235, 266, 278, 329, 380, 470, 532, 556, 658, 665, 695, 893, 940, 973, 1316, 1330, 1390, 1645, 1786, 1946, 2641, 2660, 2780, 3290, 3572, 3892, 4465, 4865, 5282, 6251, 6533, 6580, 8930, 9730, 10564, 12502, 13066, 13205, 17860, 18487, 19460, 25004, 26132, 26410, 31255, 32665, 36974, 45731, 52820, 62510, 65330, 73948, 91462, 92435, 124127, 125020, 130660, 182924, 184870, 228655, 248254, 369740, 457310, 496508, 620635, 868889, 914620, 1241270, 1737778, 2482540, 3475556, 4344445, 8688890, 17377780]

約数ペア:

[(1, 17377780), (2, 8688890), (4, 4344445), (5, 3475556), (7, 2482540), (10, 1737778), (14, 1241270), (19, 914620), (20, 868889), (28, 620635), (35, 496508), (38, 457310), (47, 369740), (70, 248254), (76, 228655), (94, 184870), (95, 182924), (133, 130660), (139, 125020), (140, 124127), (188, 92435), (190, 91462), (235, 73948), (266, 65330), (278, 62510), (329, 52820), (380, 45731), (470, 36974), (532, 32665), (556, 31255), (658, 26410), (665, 26132), (695, 25004), (893, 19460), (940, 18487), (973, 17860), (1316, 13205), (1330, 13066), (1390, 12502), (1645, 10564), (1786, 9730), (1946, 8930), (2641, 6580), (2660, 6533), (2780, 6251), (3290, 5282), (3572, 4865), (3892, 4465)]