247191560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4767

約数の個数: 128

約数和(自身を含む): 734365440

約数和(自身を除く): 487173880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1870, 2380, 2618, 3080, 3740, 4721, 4760, 5236, 6545, 7480, 9442, 10472, 13090, 18884, 23605, 26180, 33047, 37768, 47210, 51931, 52360, 66094, 80257, 94420, 103862, 132188, 160514, 165235, 188840, 207724, 259655, 264376, 321028, 330470, 363517, 401285, 415448, 519310, 561799, 642056, 660940, 727034, 802570, 882827, 1038620, 1123598, 1321880, 1454068, 1605140, 1765654, 1817585, 2077240, 2247196, 2808995, 2908136, 3210280, 3531308, 3635170, 4414135, 4494392, 5617990, 6179789, 7062616, 7270340, 8828270, 11235980, 12359578, 14540680, 17656540, 22471960, 24719156, 30898945, 35313080, 49438312, 61797890, 123595780, 247191560]

約数ペア:

[(1, 247191560), (2, 123595780), (4, 61797890), (5, 49438312), (7, 35313080), (8, 30898945), (10, 24719156), (11, 22471960), (14, 17656540), (17, 14540680), (20, 12359578), (22, 11235980), (28, 8828270), (34, 7270340), (35, 7062616), (40, 6179789), (44, 5617990), (55, 4494392), (56, 4414135), (68, 3635170), (70, 3531308), (77, 3210280), (85, 2908136), (88, 2808995), (110, 2247196), (119, 2077240), (136, 1817585), (140, 1765654), (154, 1605140), (170, 1454068), (187, 1321880), (220, 1123598), (238, 1038620), (280, 882827), (308, 802570), (340, 727034), (374, 660940), (385, 642056), (440, 561799), (476, 519310), (595, 415448), (616, 401285), (680, 363517), (748, 330470), (770, 321028), (935, 264376), (952, 259655), (1190, 207724), (1309, 188840), (1496, 165235), (1540, 160514), (1870, 132188), (2380, 103862), (2618, 94420), (3080, 80257), (3740, 66094), (4721, 52360), (4760, 51931), (5236, 47210), (6545, 37768), (7480, 33047), (9442, 26180), (10472, 23605), (13090, 18884)]