78415660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4799}}^1$

素因数の和:4870

約数の個数: 48

約数和(自身を含む): 177408000

約数和(自身を除く): 98992340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 4799, 8170, 9598, 16340, 19196, 23995, 47990, 91181, 95980, 182362, 206357, 364724, 412714, 455905, 825428, 911810, 1031785, 1823620, 2063570, 3920783, 4127140, 7841566, 15683132, 19603915, 39207830, 78415660]

約数ペア:

[(1, 78415660), (2, 39207830), (4, 19603915), (5, 15683132), (10, 7841566), (19, 4127140), (20, 3920783), (38, 2063570), (43, 1823620), (76, 1031785), (86, 911810), (95, 825428), (172, 455905), (190, 412714), (215, 364724), (380, 206357), (430, 182362), (817, 95980), (860, 91181), (1634, 47990), (3268, 23995), (4085, 19196), (4799, 16340), (8170, 9598)]