145878145

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 212718528

約数和(自身を除く): 66840383

約数列:

[1, 5, 7, 35, 43, 49, 61, 215, 227, 245, 301, 305, 427, 1135, 1505, 1589, 2107, 2135, 2623, 2989, 7945, 9761, 10535, 11123, 13115, 13847, 14945, 18361, 48805, 55615, 68327, 69235, 91805, 96929, 128527, 341635, 478289, 484645, 595421, 642635, 678503, 2391445, 2977105, 3392515, 4167947, 20839735, 29175629, 145878145]

約数ペア:

[(1, 145878145), (5, 29175629), (7, 20839735), (35, 4167947), (43, 3392515), (49, 2977105), (61, 2391445), (215, 678503), (227, 642635), (245, 595421), (301, 484645), (305, 478289), (427, 341635), (1135, 128527), (1505, 96929), (1589, 91805), (2107, 69235), (2135, 68327), (2623, 55615), (2989, 48805), (7945, 18361), (9761, 14945), (10535, 13847), (11123, 13115)]