71915420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 156344160

約数和(自身を除く): 84428740

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 157, 185, 314, 370, 619, 628, 740, 785, 1238, 1570, 2476, 3095, 3140, 5809, 6190, 11618, 12380, 22903, 23236, 29045, 45806, 58090, 91612, 97183, 114515, 116180, 194366, 229030, 388732, 458060, 485915, 971830, 1943660, 3595771, 7191542, 14383084, 17978855, 35957710, 71915420]

約数ペア:

[(1, 71915420), (2, 35957710), (4, 17978855), (5, 14383084), (10, 7191542), (20, 3595771), (37, 1943660), (74, 971830), (148, 485915), (157, 458060), (185, 388732), (314, 229030), (370, 194366), (619, 116180), (628, 114515), (740, 97183), (785, 91612), (1238, 58090), (1570, 45806), (2476, 29045), (3095, 23236), (3140, 22903), (5809, 12380), (6190, 11618)]