140081648

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12143}}^1$

素因数の和:12261

約数の個数: 40

約数和(自身を含む): 313218048

約数和(自身を除く): 173136400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 12143, 24286, 48572, 85001, 97144, 170002, 194288, 340004, 680008, 1250729, 1360016, 2501458, 5002916, 8755103, 10005832, 17510206, 20011664, 35020412, 70040824, 140081648]

約数ペア:

[(1, 140081648), (2, 70040824), (4, 35020412), (7, 20011664), (8, 17510206), (14, 10005832), (16, 8755103), (28, 5002916), (56, 2501458), (103, 1360016), (112, 1250729), (206, 680008), (412, 340004), (721, 194288), (824, 170002), (1442, 97144), (1648, 85001), (2884, 48572), (5768, 24286), (11536, 12143)]