140856044

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 297937920

約数和(自身を除く): 157081876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 271, 532, 542, 977, 1084, 1897, 1954, 3794, 3908, 5149, 6839, 7588, 10298, 13678, 18563, 20596, 27356, 36043, 37126, 72086, 74252, 129941, 144172, 259882, 264767, 519764, 529534, 1059068, 1853369, 3706738, 5030573, 7413476, 10061146, 20122292, 35214011, 70428022, 140856044]

約数ペア:

[(1, 140856044), (2, 70428022), (4, 35214011), (7, 20122292), (14, 10061146), (19, 7413476), (28, 5030573), (38, 3706738), (76, 1853369), (133, 1059068), (266, 529534), (271, 519764), (532, 264767), (542, 259882), (977, 144172), (1084, 129941), (1897, 74252), (1954, 72086), (3794, 37126), (3908, 36043), (5149, 27356), (6839, 20596), (7588, 18563), (10298, 13678)]