30471440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20079

約数の個数: 40

約数和(自身を含む): 74578560

約数和(自身を除く): 44107120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20047, 40094, 80188, 100235, 160376, 200470, 320752, 380893, 400940, 761786, 801880, 1523572, 1603760, 1904465, 3047144, 3808930, 6094288, 7617860, 15235720, 30471440]

約数ペア:

[(1, 30471440), (2, 15235720), (4, 7617860), (5, 6094288), (8, 3808930), (10, 3047144), (16, 1904465), (19, 1603760), (20, 1523572), (38, 801880), (40, 761786), (76, 400940), (80, 380893), (95, 320752), (152, 200470), (190, 160376), (304, 100235), (380, 80188), (760, 40094), (1520, 20047)]