280388548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 605404800

約数和(自身を除く): 325016252

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 109, 181, 187, 209, 218, 323, 362, 374, 418, 436, 646, 724, 748, 836, 1199, 1292, 1853, 1991, 2071, 2398, 3077, 3439, 3553, 3706, 3982, 4142, 4796, 6154, 6878, 7106, 7412, 7964, 8284, 12308, 13756, 14212, 19729, 20383, 22781, 33847, 35207, 37829, 39458, 40766, 45562, 58463, 67694, 70414, 75658, 78916, 81532, 91124, 116926, 135388, 140828, 151316, 217019, 233852, 335393, 374851, 387277, 434038, 643093, 670786, 749702, 774554, 868076, 1286186, 1341572, 1499404, 1549108, 2572372, 3689323, 4123361, 6372467, 7378646, 8246722, 12744934, 14757292, 16493444, 25489868, 70097137, 140194274, 280388548]

約数ペア:

[(1, 280388548), (2, 140194274), (4, 70097137), (11, 25489868), (17, 16493444), (19, 14757292), (22, 12744934), (34, 8246722), (38, 7378646), (44, 6372467), (68, 4123361), (76, 3689323), (109, 2572372), (181, 1549108), (187, 1499404), (209, 1341572), (218, 1286186), (323, 868076), (362, 774554), (374, 749702), (418, 670786), (436, 643093), (646, 434038), (724, 387277), (748, 374851), (836, 335393), (1199, 233852), (1292, 217019), (1853, 151316), (1991, 140828), (2071, 135388), (2398, 116926), (3077, 91124), (3439, 81532), (3553, 78916), (3706, 75658), (3982, 70414), (4142, 67694), (4796, 58463), (6154, 45562), (6878, 40766), (7106, 39458), (7412, 37829), (7964, 35207), (8284, 33847), (12308, 22781), (13756, 20383), (14212, 19729)]