1390017308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 2702548800

約数和(自身を除く): 1312531492

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 89, 124, 178, 239, 356, 478, 527, 956, 961, 1054, 1513, 1922, 2108, 2759, 3026, 3844, 4063, 5518, 6052, 7409, 8126, 11036, 14818, 16252, 16337, 21271, 29636, 32674, 42542, 46903, 65348, 85084, 85529, 93806, 125953, 171058, 187612, 229679, 251906, 342116, 361607, 459358, 503812, 659401, 723214, 918716, 1318802, 1446428, 1453993, 2637604, 2907986, 3904543, 5815972, 7809086, 11209817, 15618172, 20441431, 22419634, 40882862, 44839268, 81765724, 347504327, 695008654, 1390017308]

約数ペア:

[(1, 1390017308), (2, 695008654), (4, 347504327), (17, 81765724), (31, 44839268), (34, 40882862), (62, 22419634), (68, 20441431), (89, 15618172), (124, 11209817), (178, 7809086), (239, 5815972), (356, 3904543), (478, 2907986), (527, 2637604), (956, 1453993), (961, 1446428), (1054, 1318802), (1513, 918716), (1922, 723214), (2108, 659401), (2759, 503812), (3026, 459358), (3844, 361607), (4063, 342116), (5518, 251906), (6052, 229679), (7409, 187612), (8126, 171058), (11036, 125953), (14818, 93806), (16252, 85529), (16337, 85084), (21271, 65348), (29636, 46903), (32674, 42542)]