7290640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 19855872

約数和(自身を除く): 12565232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 277, 280, 329, 376, 470, 554, 560, 658, 752, 940, 1108, 1316, 1385, 1645, 1880, 1939, 2216, 2632, 2770, 3290, 3760, 3878, 4432, 5264, 5540, 6580, 7756, 9695, 11080, 13019, 13160, 15512, 19390, 22160, 26038, 26320, 31024, 38780, 52076, 65095, 77560, 91133, 104152, 130190, 155120, 182266, 208304, 260380, 364532, 455665, 520760, 729064, 911330, 1041520, 1458128, 1822660, 3645320, 7290640]

約数ペア:

[(1, 7290640), (2, 3645320), (4, 1822660), (5, 1458128), (7, 1041520), (8, 911330), (10, 729064), (14, 520760), (16, 455665), (20, 364532), (28, 260380), (35, 208304), (40, 182266), (47, 155120), (56, 130190), (70, 104152), (80, 91133), (94, 77560), (112, 65095), (140, 52076), (188, 38780), (235, 31024), (277, 26320), (280, 26038), (329, 22160), (376, 19390), (470, 15512), (554, 13160), (560, 13019), (658, 11080), (752, 9695), (940, 7756), (1108, 6580), (1316, 5540), (1385, 5264), (1645, 4432), (1880, 3878), (1939, 3760), (2216, 3290), (2632, 2770)]