51451400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 161239680

約数和(自身を除く): 109788280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 88, 91, 100, 104, 110, 130, 140, 143, 154, 175, 182, 200, 220, 257, 260, 275, 280, 286, 308, 325, 350, 364, 385, 440, 455, 514, 520, 550, 572, 616, 650, 700, 715, 728, 770, 910, 1001, 1028, 1100, 1144, 1285, 1300, 1400, 1430, 1540, 1799, 1820, 1925, 2002, 2056, 2200, 2275, 2570, 2600, 2827, 2860, 3080, 3341, 3575, 3598, 3640, 3850, 4004, 4550, 5005, 5140, 5654, 5720, 6425, 6682, 7150, 7196, 7700, 8008, 8995, 9100, 10010, 10280, 11308, 12850, 13364, 14135, 14300, 14392, 15400, 16705, 17990, 18200, 19789, 20020, 22616, 23387, 25025, 25700, 26728, 28270, 28600, 33410, 35980, 36751, 39578, 40040, 44975, 46774, 50050, 51400, 56540, 66820, 70675, 71960, 73502, 79156, 83525, 89950, 93548, 98945, 100100, 113080, 116935, 133640, 141350, 147004, 158312, 167050, 179900, 183755, 187096, 197890, 200200, 233870, 257257, 282700, 294008, 334100, 359800, 367510, 395780, 467740, 494725, 514514, 565400, 584675, 668200, 735020, 791560, 918775, 935480, 989450, 1029028, 1169350, 1286285, 1470040, 1837550, 1978900, 2058056, 2338700, 2572570, 3675100, 3957800, 4677400, 5145140, 6431425, 7350200, 10290280, 12862850, 25725700, 51451400]

約数ペア:

[(1, 51451400), (2, 25725700), (4, 12862850), (5, 10290280), (7, 7350200), (8, 6431425), (10, 5145140), (11, 4677400), (13, 3957800), (14, 3675100), (20, 2572570), (22, 2338700), (25, 2058056), (26, 1978900), (28, 1837550), (35, 1470040), (40, 1286285), (44, 1169350), (50, 1029028), (52, 989450), (55, 935480), (56, 918775), (65, 791560), (70, 735020), (77, 668200), (88, 584675), (91, 565400), (100, 514514), (104, 494725), (110, 467740), (130, 395780), (140, 367510), (143, 359800), (154, 334100), (175, 294008), (182, 282700), (200, 257257), (220, 233870), (257, 200200), (260, 197890), (275, 187096), (280, 183755), (286, 179900), (308, 167050), (325, 158312), (350, 147004), (364, 141350), (385, 133640), (440, 116935), (455, 113080), (514, 100100), (520, 98945), (550, 93548), (572, 89950), (616, 83525), (650, 79156), (700, 73502), (715, 71960), (728, 70675), (770, 66820), (910, 56540), (1001, 51400), (1028, 50050), (1100, 46774), (1144, 44975), (1285, 40040), (1300, 39578), (1400, 36751), (1430, 35980), (1540, 33410), (1799, 28600), (1820, 28270), (1925, 26728), (2002, 25700), (2056, 25025), (2200, 23387), (2275, 22616), (2570, 20020), (2600, 19789), (2827, 18200), (2860, 17990), (3080, 16705), (3341, 15400), (3575, 14392), (3598, 14300), (3640, 14135), (3850, 13364), (4004, 12850), (4550, 11308), (5005, 10280), (5140, 10010), (5654, 9100), (5720, 8995), (6425, 8008), (6682, 7700), (7150, 7196)]