29838020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 64447488

約数和(自身を除く): 34609468

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 191, 214, 292, 365, 382, 428, 535, 730, 764, 955, 1070, 1460, 1910, 2140, 3820, 7811, 13943, 15622, 20437, 27886, 31244, 39055, 40874, 55772, 69715, 78110, 81748, 102185, 139430, 156220, 204370, 278860, 408740, 1491901, 2983802, 5967604, 7459505, 14919010, 29838020]

約数ペア:

[(1, 29838020), (2, 14919010), (4, 7459505), (5, 5967604), (10, 2983802), (20, 1491901), (73, 408740), (107, 278860), (146, 204370), (191, 156220), (214, 139430), (292, 102185), (365, 81748), (382, 78110), (428, 69715), (535, 55772), (730, 40874), (764, 39055), (955, 31244), (1070, 27886), (1460, 20437), (1910, 15622), (2140, 13943), (3820, 7811)]