128045140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 281957760

約数和(自身を除く): 153912620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 251, 460, 502, 1004, 1109, 1255, 2218, 2510, 4436, 5020, 5545, 5773, 11090, 11546, 22180, 23092, 25507, 28865, 51014, 57730, 102028, 115460, 127535, 255070, 278359, 510140, 556718, 1113436, 1391795, 2783590, 5567180, 6402257, 12804514, 25609028, 32011285, 64022570, 128045140]

約数ペア:

[(1, 128045140), (2, 64022570), (4, 32011285), (5, 25609028), (10, 12804514), (20, 6402257), (23, 5567180), (46, 2783590), (92, 1391795), (115, 1113436), (230, 556718), (251, 510140), (460, 278359), (502, 255070), (1004, 127535), (1109, 115460), (1255, 102028), (2218, 57730), (2510, 51014), (4436, 28865), (5020, 25507), (5545, 23092), (5773, 22180), (11090, 11546)]