77867420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 172307520

約数和(自身を除く): 94440100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 1553, 2180, 2507, 3106, 5014, 6212, 7765, 10028, 12535, 15530, 25070, 31060, 35719, 50140, 71438, 142876, 169277, 178595, 338554, 357190, 677108, 714380, 846385, 1692770, 3385540, 3893371, 7786742, 15573484, 19466855, 38933710, 77867420]

約数ペア:

[(1, 77867420), (2, 38933710), (4, 19466855), (5, 15573484), (10, 7786742), (20, 3893371), (23, 3385540), (46, 1692770), (92, 846385), (109, 714380), (115, 677108), (218, 357190), (230, 338554), (436, 178595), (460, 169277), (545, 142876), (1090, 71438), (1553, 50140), (2180, 35719), (2507, 31060), (3106, 25070), (5014, 15530), (6212, 12535), (7765, 10028)]