888921880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1409

約数の個数: 128

約数和(自身を含む): 2505530880

約数和(自身を除く): 1616609000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 257, 280, 308, 385, 440, 514, 616, 770, 1028, 1123, 1285, 1540, 1799, 2056, 2246, 2570, 2827, 3080, 3598, 4492, 5140, 5615, 5654, 7196, 7861, 8984, 8995, 10280, 11230, 11308, 12353, 14135, 14392, 15722, 17990, 19789, 22460, 22616, 24706, 28270, 31444, 35980, 39305, 39578, 44920, 49412, 56540, 61765, 62888, 71960, 78610, 79156, 86471, 98824, 98945, 113080, 123530, 157220, 158312, 172942, 197890, 247060, 288611, 314440, 345884, 395780, 432355, 494120, 577222, 691768, 791560, 864710, 1154444, 1443055, 1729420, 2020277, 2308888, 2886110, 3174721, 3458840, 4040554, 5772220, 6349442, 8081108, 10101385, 11544440, 12698884, 15873605, 16162216, 20202770, 22223047, 25397768, 31747210, 40405540, 44446094, 63494420, 80811080, 88892188, 111115235, 126988840, 177784376, 222230470, 444460940, 888921880]

約数ペア:

[(1, 888921880), (2, 444460940), (4, 222230470), (5, 177784376), (7, 126988840), (8, 111115235), (10, 88892188), (11, 80811080), (14, 63494420), (20, 44446094), (22, 40405540), (28, 31747210), (35, 25397768), (40, 22223047), (44, 20202770), (55, 16162216), (56, 15873605), (70, 12698884), (77, 11544440), (88, 10101385), (110, 8081108), (140, 6349442), (154, 5772220), (220, 4040554), (257, 3458840), (280, 3174721), (308, 2886110), (385, 2308888), (440, 2020277), (514, 1729420), (616, 1443055), (770, 1154444), (1028, 864710), (1123, 791560), (1285, 691768), (1540, 577222), (1799, 494120), (2056, 432355), (2246, 395780), (2570, 345884), (2827, 314440), (3080, 288611), (3598, 247060), (4492, 197890), (5140, 172942), (5615, 158312), (5654, 157220), (7196, 123530), (7861, 113080), (8984, 98945), (8995, 98824), (10280, 86471), (11230, 79156), (11308, 78610), (12353, 71960), (14135, 62888), (14392, 61765), (15722, 56540), (17990, 49412), (19789, 44920), (22460, 39578), (22616, 39305), (24706, 35980), (28270, 31444)]