210544985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 321024000

約数和(自身を除く): 110479015

約数列:

[1, 5, 7, 19, 35, 37, 43, 95, 133, 185, 199, 215, 259, 301, 665, 703, 817, 995, 1295, 1393, 1505, 1591, 3515, 3781, 4085, 4921, 5719, 6965, 7363, 7955, 8557, 11137, 18905, 24605, 26467, 28595, 30229, 36815, 42785, 51541, 55685, 59899, 132335, 139897, 151145, 162583, 211603, 257705, 299495, 316609, 699485, 812915, 979279, 1058015, 1138081, 1583045, 2216263, 4896395, 5690405, 6015571, 11081315, 30077855, 42108997, 210544985]

約数ペア:

[(1, 210544985), (5, 42108997), (7, 30077855), (19, 11081315), (35, 6015571), (37, 5690405), (43, 4896395), (95, 2216263), (133, 1583045), (185, 1138081), (199, 1058015), (215, 979279), (259, 812915), (301, 699485), (665, 316609), (703, 299495), (817, 257705), (995, 211603), (1295, 162583), (1393, 151145), (1505, 139897), (1591, 132335), (3515, 59899), (3781, 55685), (4085, 51541), (4921, 42785), (5719, 36815), (6965, 30229), (7363, 28595), (7955, 26467), (8557, 24605), (11137, 18905)]