87550540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 231436800

約数和(自身を除く): 143886260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 220, 278, 308, 385, 409, 556, 695, 770, 818, 973, 1390, 1529, 1540, 1636, 1946, 2045, 2780, 2863, 3058, 3892, 4090, 4499, 4865, 5726, 6116, 7645, 8180, 8998, 9730, 10703, 11452, 14315, 15290, 17996, 19460, 21406, 22495, 28630, 30580, 31493, 42812, 44990, 53515, 56851, 57260, 62986, 89980, 107030, 113702, 125972, 157465, 214060, 227404, 284255, 314930, 397957, 568510, 625361, 629860, 795914, 1137020, 1250722, 1591828, 1989785, 2501444, 3126805, 3979570, 4377527, 6253610, 7959140, 8755054, 12507220, 17510108, 21887635, 43775270, 87550540]

約数ペア:

[(1, 87550540), (2, 43775270), (4, 21887635), (5, 17510108), (7, 12507220), (10, 8755054), (11, 7959140), (14, 6253610), (20, 4377527), (22, 3979570), (28, 3126805), (35, 2501444), (44, 1989785), (55, 1591828), (70, 1250722), (77, 1137020), (110, 795914), (139, 629860), (140, 625361), (154, 568510), (220, 397957), (278, 314930), (308, 284255), (385, 227404), (409, 214060), (556, 157465), (695, 125972), (770, 113702), (818, 107030), (973, 89980), (1390, 62986), (1529, 57260), (1540, 56851), (1636, 53515), (1946, 44990), (2045, 42812), (2780, 31493), (2863, 30580), (3058, 28630), (3892, 22495), (4090, 21406), (4499, 19460), (4865, 17996), (5726, 15290), (6116, 14315), (7645, 11452), (8180, 10703), (8998, 9730)]