255090815

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 387072000

約数和(自身を除く): 131981185

約数列:

[1, 5, 7, 23, 29, 35, 49, 115, 145, 161, 203, 223, 245, 343, 667, 805, 1015, 1115, 1127, 1421, 1561, 1715, 3335, 4669, 5129, 5635, 6467, 7105, 7805, 7889, 9947, 10927, 23345, 25645, 32335, 32683, 35903, 39445, 45269, 49735, 54635, 76489, 148741, 163415, 179515, 226345, 228781, 251321, 316883, 382445, 743705, 1041187, 1143905, 1256605, 1584415, 1759247, 2218181, 5205935, 7288309, 8796235, 11090905, 36441545, 51018163, 255090815]

約数ペア:

[(1, 255090815), (5, 51018163), (7, 36441545), (23, 11090905), (29, 8796235), (35, 7288309), (49, 5205935), (115, 2218181), (145, 1759247), (161, 1584415), (203, 1256605), (223, 1143905), (245, 1041187), (343, 743705), (667, 382445), (805, 316883), (1015, 251321), (1115, 228781), (1127, 226345), (1421, 179515), (1561, 163415), (1715, 148741), (3335, 76489), (4669, 54635), (5129, 49735), (5635, 45269), (6467, 39445), (7105, 35903), (7805, 32683), (7889, 32335), (9947, 25645), (10927, 23345)]