7288400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 120

約数和(自身を含む): 21218880

約数和(自身を除く): 13930480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 133, 137, 140, 152, 175, 190, 200, 266, 274, 280, 304, 350, 380, 400, 475, 532, 548, 560, 665, 685, 700, 760, 950, 959, 1064, 1096, 1330, 1370, 1400, 1520, 1900, 1918, 2128, 2192, 2603, 2660, 2740, 2800, 3325, 3425, 3800, 3836, 4795, 5206, 5320, 5480, 6650, 6850, 7600, 7672, 9590, 10412, 10640, 10960, 13015, 13300, 13700, 15344, 18221, 19180, 20824, 23975, 26030, 26600, 27400, 36442, 38360, 41648, 47950, 52060, 53200, 54800, 65075, 72884, 76720, 91105, 95900, 104120, 130150, 145768, 182210, 191800, 208240, 260300, 291536, 364420, 383600, 455525, 520600, 728840, 911050, 1041200, 1457680, 1822100, 3644200, 7288400]

約数ペア:

[(1, 7288400), (2, 3644200), (4, 1822100), (5, 1457680), (7, 1041200), (8, 911050), (10, 728840), (14, 520600), (16, 455525), (19, 383600), (20, 364420), (25, 291536), (28, 260300), (35, 208240), (38, 191800), (40, 182210), (50, 145768), (56, 130150), (70, 104120), (76, 95900), (80, 91105), (95, 76720), (100, 72884), (112, 65075), (133, 54800), (137, 53200), (140, 52060), (152, 47950), (175, 41648), (190, 38360), (200, 36442), (266, 27400), (274, 26600), (280, 26030), (304, 23975), (350, 20824), (380, 19180), (400, 18221), (475, 15344), (532, 13700), (548, 13300), (560, 13015), (665, 10960), (685, 10640), (700, 10412), (760, 9590), (950, 7672), (959, 7600), (1064, 6850), (1096, 6650), (1330, 5480), (1370, 5320), (1400, 5206), (1520, 4795), (1900, 3836), (1918, 3800), (2128, 3425), (2192, 3325), (2603, 2800), (2660, 2740)]