29274140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 70662144

約数和(自身を除く): 41388004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 991, 1055, 1477, 1982, 2110, 2954, 3964, 4220, 4955, 5908, 6937, 7385, 9910, 13874, 14770, 19820, 27748, 29540, 34685, 69370, 138740, 209101, 418202, 836404, 1045505, 1463707, 2091010, 2927414, 4182020, 5854828, 7318535, 14637070, 29274140]

約数ペア:

[(1, 29274140), (2, 14637070), (4, 7318535), (5, 5854828), (7, 4182020), (10, 2927414), (14, 2091010), (20, 1463707), (28, 1045505), (35, 836404), (70, 418202), (140, 209101), (211, 138740), (422, 69370), (844, 34685), (991, 29540), (1055, 27748), (1477, 19820), (1982, 14770), (2110, 13874), (2954, 9910), (3964, 7385), (4220, 6937), (4955, 5908)]