139800640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:612

約数の個数: 112

約数和(自身を含む): 384048000

約数和(自身を除く): 244247360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 224, 278, 280, 320, 448, 449, 556, 560, 695, 898, 973, 1112, 1120, 1390, 1796, 1946, 2224, 2240, 2245, 2780, 3143, 3592, 3892, 4448, 4490, 4865, 5560, 6286, 7184, 7784, 8896, 8980, 9730, 11120, 12572, 14368, 15568, 15715, 17960, 19460, 22240, 25144, 28736, 31136, 31430, 35920, 38920, 44480, 50288, 62272, 62411, 62860, 71840, 77840, 100576, 124822, 125720, 143680, 155680, 201152, 249644, 251440, 311360, 312055, 436877, 499288, 502880, 624110, 873754, 998576, 1005760, 1248220, 1747508, 1997152, 2184385, 2496440, 3495016, 3994304, 4368770, 4992880, 6990032, 8737540, 9985760, 13980064, 17475080, 19971520, 27960128, 34950160, 69900320, 139800640]

約数ペア:

[(1, 139800640), (2, 69900320), (4, 34950160), (5, 27960128), (7, 19971520), (8, 17475080), (10, 13980064), (14, 9985760), (16, 8737540), (20, 6990032), (28, 4992880), (32, 4368770), (35, 3994304), (40, 3495016), (56, 2496440), (64, 2184385), (70, 1997152), (80, 1747508), (112, 1248220), (139, 1005760), (140, 998576), (160, 873754), (224, 624110), (278, 502880), (280, 499288), (320, 436877), (448, 312055), (449, 311360), (556, 251440), (560, 249644), (695, 201152), (898, 155680), (973, 143680), (1112, 125720), (1120, 124822), (1390, 100576), (1796, 77840), (1946, 71840), (2224, 62860), (2240, 62411), (2245, 62272), (2780, 50288), (3143, 44480), (3592, 38920), (3892, 35920), (4448, 31430), (4490, 31136), (4865, 28736), (5560, 25144), (6286, 22240), (7184, 19460), (7784, 17960), (8896, 15715), (8980, 15568), (9730, 14368), (11120, 12572)]