405194969090

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2099}}^1\times {\mathrm{180413}}^1$

素因数の和:182626

約数の個数: 32

約数和(自身を含む): 736522113600

約数和(自身を除く): 331327144510

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 2099, 4198, 10495, 20990, 180413, 224593, 360826, 449186, 902065, 1122965, 1804130, 2245930, 19304191, 38608382, 96520955, 193041910, 378686887, 757373774, 1893434435, 3786868870, 40519496909, 81038993818, 202597484545, 405194969090]

約数ペア:

[(1, 405194969090), (2, 202597484545), (5, 81038993818), (10, 40519496909), (107, 3786868870), (214, 1893434435), (535, 757373774), (1070, 378686887), (2099, 193041910), (4198, 96520955), (10495, 38608382), (20990, 19304191), (180413, 2245930), (224593, 1804130), (360826, 1122965), (449186, 902065)]