68882440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1870

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 102189560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1759, 1780, 1958, 3518, 3560, 3916, 4895, 7036, 7832, 8795, 9790, 14072, 17590, 19349, 19580, 35180, 38698, 39160, 70360, 77396, 96745, 154792, 156551, 193490, 313102, 386980, 626204, 773960, 782755, 1252408, 1565510, 1722061, 3131020, 3444122, 6262040, 6888244, 8610305, 13776488, 17220610, 34441220, 68882440]

約数ペア:

[(1, 68882440), (2, 34441220), (4, 17220610), (5, 13776488), (8, 8610305), (10, 6888244), (11, 6262040), (20, 3444122), (22, 3131020), (40, 1722061), (44, 1565510), (55, 1252408), (88, 782755), (89, 773960), (110, 626204), (178, 386980), (220, 313102), (356, 193490), (440, 156551), (445, 154792), (712, 96745), (890, 77396), (979, 70360), (1759, 39160), (1780, 38698), (1958, 35180), (3518, 19580), (3560, 19349), (3916, 17590), (4895, 14072), (7036, 9790), (7832, 8795)]