85624280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 221106240

約数和(自身を除く): 135481960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 977, 1252, 1565, 1954, 2191, 2504, 3130, 3908, 4382, 4885, 6260, 6839, 7816, 8764, 9770, 10955, 12520, 13678, 17528, 19540, 21910, 27356, 34195, 39080, 43820, 54712, 68390, 87640, 136780, 273560, 305801, 611602, 1223204, 1529005, 2140607, 2446408, 3058010, 4281214, 6116020, 8562428, 10703035, 12232040, 17124856, 21406070, 42812140, 85624280]

約数ペア:

[(1, 85624280), (2, 42812140), (4, 21406070), (5, 17124856), (7, 12232040), (8, 10703035), (10, 8562428), (14, 6116020), (20, 4281214), (28, 3058010), (35, 2446408), (40, 2140607), (56, 1529005), (70, 1223204), (140, 611602), (280, 305801), (313, 273560), (626, 136780), (977, 87640), (1252, 68390), (1565, 54712), (1954, 43820), (2191, 39080), (2504, 34195), (3130, 27356), (3908, 21910), (4382, 19540), (4885, 17528), (6260, 13678), (6839, 12520), (7816, 10955), (8764, 9770)]